|
C |
The complete details
of a crude oil washing system aboard your vessel, including the operating
sequences and procedures, design characteristics, a description of the system,
and required personnel will be found in the __________. |
Oil Transfer Procedures
Manual |
Code of Federal
Regulations |
Crude Oil Washing
Operations and Equipment Manual |
Crude Oil Washing
addendum to the Certificate of Inspection |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
You are planning
to use a crude oil washing system. What precaution must be taken with the
source tank for the washing machines? |
The inert gas
system must lower the oxygen content in the source tank to a maximum of
12%. |
At least one meter
must be decanted from the source tank. |
The source tank
must have been crude oil washed at least once in the past 150 days. |
The oil in the
source tank must be sampled for compatibility. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
Before a tank
is to be crude oil washed, the oxygen content in the tank must be measured
at a position __________. |
one meter from
the deck |
immediately above
the level of the oil |
in the vent riser |
at the top of
the tank |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
You are crude
oil washing on a tanker with an inert gas system. What percentage of oxygen
must the inert gas system produce and deliver to the tanks? |
0 (%) |
5 (%) |
8 (%) |
11 (%) |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
What is the maximum
percent of oxygen, by volume, allowed to be maintained in the cargo tanks
prior to the commencement of crude oil tank washing? |
5 (%) |
12 (%) |
10 (%) |
8 (%) |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
Tankers that are
in service carrying "sour crudes" are faced with additional problems
for their safe operation. One such problem is called "polyphoric oxidation"
what does this result in? |
a second scrubber,
known as an alkaline scrubber, to be added in series to the "normal"
scrubber. |
particles of rust
in the tanks reaching a high temperature during "gas free" operations. |
a lighter grade
of crude being needed for tank washing. |
additional time
for tank cleaning. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
When cleaning
a tank by the Butterworth process, you should begin to pump out the slops
__________. |
at the end of
the drop schedule |
when the tank
is clean |
when the process
is finished |
when the process
is started |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
When cleaning
cargo tanks with portable machines, how is the machine grounded? |
The water supply
hoses contain internal wires that act as conductors |
The machines must
maintain physical contact with the deck at the Butterworth opening. |
The water jets
impinging on the vessel's structure form a pathway to ground. |
Bonding wires
are secured from the machine to a convenient location on deck. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
You are planning
to use the crude oil washing system on your tankship. What is required to
prevent electrostatic buildup in the tanks? |
The source tank
for the tank cleaning machines must have least one meter decanted from it. |
The inert gas
system must reduce the oxygen content in the tanks to a maximum of 18%. |
The portable machines
must be set at the proper drop for the first wash before the fixed machines
are used. |
The fixed machines
must be operated simultaneously with the portable machines to equalize the
electrostatic potential. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
You have water
washed your cargo tanks using the fixed machines. What should you do before
using portable machines to clean areas screened from the wash of the fixed
machine by structural members? |
Ventilate the
tank to eliminate any electrostatically charged mist. |
Insure that the
tanks are not stripped until the final wash is started. |
Attach the water
supply hose to the portable machine after the cleaning head is positioned
inside the tank. |
Ground the fixed
machines to eliminate any electrostatic buildup on the cleaning head. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
You are cleaning
the tanks after carrying a cargo of crude oil. Which statement is TRUE? |
The hoses to portable
cleaning machines should be disconnected before the machines are removed
from the tank. |
Washing water
should be recirculated if possible because it has the same electric potential
as the cargo tank being cleaned. |
The principal
hazard with steaming cargo tanks is raising the ambient temperature above
the flame point of the cargo residue. |
Steam cleaning
and water washing are both capable of generating electrostatic charges within
a tank. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
When tank cleaning
with a portable machine, the weight of the machine is suspended from __________. |
the supply hose |
a wire rope suspension
line |
the suspension
line, usually manila or natural fiber line |
solid iron bars
clamped to the Butterworth opening |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
You have completed
a crude oil wash. What action should be taken with the oil in the lines
running to the washing machines? |
Open a COW nozzle
forward and one aft and drain the line into the after tank by gravity |
Blow the line
out using compressed air |
Close off all
valves in the system and leave the oil in the line primed for the next crude
oil wash |
Pull a suction
using the supply line pump |
Ballasting, Tank
Clean., & Gas Free Ops |
|
C |
What is NOT a
requirement for the safe and effective use of a crude oil washing system? |
Decant one meter
from the source tank for the tank cleaning machines. |
Use an inert gas
system while washing tanks. |
Use portable washing
machines to reach areas obscured by structural members in the tanks. |
Strip all tanks
and remove the bottom residue. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
In order for you
to operate your vessels crude oil wash system, the cargo tanks to be washed
must be which of the following? |
gas free |
inerted |
opened to the
atmosphere for ventilation |
full of cargo |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
Where will the
complete details of a crude oil washing system aboard your vessel, including
the operating sequences and procedures, design characteristics, a description
of the system, and required personnel be found? |
Crude Oil Washing
addendum to the Certificate of Inspection |
Oil Transfer Procedures
Manual |
Code of Federal
Regulations |
Crude Oil Washing
Operations and Equipment Manual |
Ballasting, Tank
Clean., & Gas Free Ops |
|
C |
In controlling
pollution, which action should be taken after all dirty ballast has been
transferred to the slop tank and prior to discharge through the oily water
separator? |
The clean tanks
should be ballasted. |
Chemicals should
be added to emulsify the oil. |
The slops should
be allowed time to settle. |
The dirty ballast
tank is crude oil washed. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
A |
You are planning
to use the crude oil washing system on your tankship. What is required to
prevent electrostatic buildup in the tanks? |
The source tank
for the tank cleaning machines must have least one meter decanted from it. |
The portable machines
must be set at the proper drop for the first wash before the fixed machines
are used. |
The fixed machines
must be operated simultaneously with the portable machines to equalize the
electrostatic potential. |
The inert gas
system must reduce the oxygen content in the tanks to a maximum of 18%. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
What type of heat
must be applied in order to raise the temperature of water from 60 degrees
F to 180 degrees F? |
latent heat |
sensible heat |
crucial heat |
super heat |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
You have water
washed your cargo tanks using the fixed machines. What should you do before
using portable machines to clean areas screened from the wash of the fixed
machine by structural members? |
Attach the water
supply hose to the portable machine after the cleaning head is positioned
inside the tank. |
Ventilate the
tank to eliminate any electrostatically charged mist. |
Ground the fixed
machines to eliminate any electrostatic buildup on the cleaning head. |
Insure that the
tanks are not stripped until the final wash is started. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
B |
You are planning
to use a crude oil washing system. What precaution must be taken with the
source tank for the washing machines? |
The source tank
must have been crude oil washed at least once in the past 150 days. |
At least one meter
must be decanted from the source tank. |
The inert gas
system must lower the oxygen content in the source tank to a maximum of
12%. |
The oil in the
source tank must be sampled for compatibility. |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
You have completed
a crude oil wash. What action should be taken with the oil in the lines
running to the washing machines? |
Close off all
valves in the system and leave the oil in the line primed for the next crude
oil wash |
Blow the line
out using compressed air |
Pull a suction
using the supply line pump |
Open a COW nozzle
forward and one aft and drain the line into the after tank by gravity |
Ballasting, Tank
Clean., & Gas Free Ops |
|
D |
Which of the following
shall be used to isolate fire hydrant valves on a crude oil tanker from
the crude oil washing system? |
nonreturn valves |
automatic closing
valves |
face blanks |
spade blanks |
Ballasting, Tank
Clean., & Gas Free Ops |
|
C |
Oil product samples
should be taken at the commencement and completion of loading operations.
As the Person in Charge, where should the the final samples be taken? |
the dock riser |
the shore tank
discharge |
the vessel's cargo
tanks |
the shore line
low points |
Cargo Oil Terms
and Definitions |
|
C |
Which of the terms
best describes the process of the production of vapor above the surface
of a boiling cargo due to evaporation on an LNG tanker? |
condensation |
adiabatic |
boil-off |
solidification |
Cargo Oil Terms
and Definitions |
|
B |
If a cargo of
kerosene were considered "too lean" to explode, then it must be
which of the following? |
within the "explosive
range" |
below the "explosive
range" |
above the "lower
explosive limit" |
above the "explosive
range" |
Cargo Oil Terms
and Definitions |
|
D |
The boiling point
of Methane is -161°C. How is the substance carried? |
Normal ambient
temperature. |
Fully pressurized. |
Fully refrigerated. |
Atmospheric pressure. |
Cargo Oil Terms
and Definitions |
|
C |
Which of the following
would be classified as grade "C" petroleum product? |
Reid vapor pressure
of 7 psia, flash point of 85°F. |
Reid vapor pressure
of 14 psia, flash point of 60°F. |
Reid vapor pressure
of 5 psia, flash point of 70°F. |
Reid vapor pressure
above 8 1/2 psia but less than 14 psia. |
Cargo Oil Terms
and Definitions |
|
A |
LNG is carried
at approximately what temperature? |
-160 degrees C |
-160 degrees K |
-160 degress F |
-160 degrees R |
Cargo Oil Terms
and Definitions |
|
A |
Which of the following
is an example of a example of a grade D product? |
kerosene |
aviation gas grade
115/145 |
commercial gasoline |
heavy fuel oil |
Cargo Oil Terms
and Definitions |
|
B |
What is the primary
hazard of liquefied petroleum gas and liquefied natural gas? |
temperature |
flammability |
toxicity |
pressure |
Cargo Oil Terms
and Definitions |
|
C |
What is the primary
hazard of liquefied petroleum gas and liquefied natural gas? |
temperature |
toxicity |
flammability |
pressure |
Cargo Oil Terms
and Definitions |
|
A |
Which of the following
defines flammable liquids for the purpose of U.S. regulations? |
liquids that give
off flammable vapors at or below 80°F (27°C) |
liquids that sustain
combustion at a temperature at or below 100°F (38°C) |
liquids that give
off flammable vapors only above 80°F (27°C) |
liquids that have
a Reid vapor pressure of 18 pounds or more |
Cargo Oil Terms
and Definitions |
|
A |
Which of the following
describes a liquified gas? |
A substance that
at normal temperature and pressure would be a gas. |
A liquid that
needs to be stored at absolute zero to prevent it becoming gaseous. |
A liquid that
requires to be heated above normal ambient temperature to make it form a
gas. |
A gas that is
mixed with another substance that causes it to liquify. |
Cargo Oil Terms
and Definitions |
|
C |
What is Reid Vapor
Pressure? |
exerted by liquid
cargo on a cargo hose body |
the lowest temperature
and pressure that will cause a flammable liquid to give off vapors |
a measurement
of the amount of flammable vapors given off by a liquid at a certain temperature |
exerted by liquid
cargo on the sides of a tank |
Cargo Oil Terms
and Definitions |
|
C |
What is the lowest
temperature at which the vapors of a flammable liquid will ignite and cause
self-sustained combustion in the presence of a spark or flame? |
autoignition temperature |
vaporization temperature |
fire point |
flash point |
Cargo Oil Terms
and Definitions |
|
C |
What grade are
most crude oils are classified as? |
A or B |
E |
C or D |
B |
Cargo Oil Terms
and Definitions |
|
B |
Which of the flash
points would indicate a grade D combustible liquid? |
160°F |
87°F |
155°F |
65°F |
Cargo Oil Terms
and Definitions |
|
D |
What do the designations
A, B, C, D, and E refer to in grades of cargo? |
degrees of quality
of petroleum products |
grades of crude
oil |
pour point, color,
and viscosity index of petroleum products |
flash point range
and Reid vapor pressure index of petroleum products |
Cargo Oil Terms
and Definitions |
|
B |
What is the standard
unit of liquid volume used in the petroleum industry? |
liter |
barrel |
gallon |
drum |
Cargo Oil Terms
and Definitions |
|
C |
Which of the following
describes the flash point temperature of a liquid? |
at which a liquid
will explode |
at which a liquid
will burn steadily |
at which a liquid
will give off inflammable vapors |
that a liquid
must reach before it will flow readily |
Cargo Oil Terms
and Definitions |
|
D |
What is the standard
net barrel for petroleum products? |
60 gallons at
100°Saybolt |
48 gallons at
70°Fahrenheit |
50 gallons at
50°Celsius |
42 gallons at
60°Fahrenheit |
Cargo Oil Terms
and Definitions |
|
C |
In what condition
is LNG transported? |
At its critical
temperature. |
At a pressure
in excess of 15.4 PSIA. |
At its boiling
point. |
At its vapor stage |
Cargo Oil Terms
and Definitions |
|
C |
What is the most
common liquified gas cargo? |
chemical gases |
butane |
ammonia |
hydrocarbons |
Cargo Oil Terms
and Definitions |
|
C |
Which of the following
describes one of the principle dangers inherent in liquified petroleum gas? |
as it warms up
it becomes heavier than air |
the way it reacts
with sea water |
its low temperature
causes frostbite or freezing |
the strong odor
it produces |
Cargo Oil Terms
and Definitions |
|
C |
What do the designations
A, B, C, D, and E grades of cargo define? |
grades of crude
oil |
pour point, color,
and viscosity index of petroleum products |
flash point range
and Reid vapor pressure index of petroleum products |
degrees of quality
of petroleum products |
Cargo Oil Terms
and Definitions |
|
C |
Grade E combustible
liquids have a flash point of __________. |
60°F to 100°F |
80°F to 150°F |
150°F or above |
90°F to 120°F |
Cargo Oil Terms
and Definitions |
|
D |
Grade D combustible
liquids have a maximum flash point of __________. |
100°F |
80°F |
109°F |
149°F |
Cargo Oil Terms
and Definitions |
|
B |
Most liquified
gas cargoes are flammable, and are carried at or close to their boiling
point. What will happen if they are released into the atmosphere? |
result in sloshing
in the tank which could make the ship unstable |
burn, if it's
within its flammable range and has an ignition source |
freeze and possibly
cause structural damage |
allow air to enter
the system causing polymerization |
Cargo Oil Terms
and Definitions |
|
B |
The designations
A, B, C, D, and E grades of cargo refer to the __________. |
pour point, color,
and viscosity index of petroleum products |
flash point range
and Reid vapor pressure index of petroleum products |
degrees of quality
of petroleum products |
grades of crude
oil |
Cargo Oil Terms
and Definitions |
|
C |
Which of the following
grade classifications is assigned to Camphor oil? |
A |
C |
D |
E |
Cargo Oil Terms
and Definitions |
|
B |
Which product
is most likely to accumulate static electricity? |
Residual fuel
oil |
Lubricating oil |
Crude oil |
Hard asphalt |
Cargo Oil Terms
and Definitions |
|
C |
Most crude oils
are classified as grade __________. |
E |
A or B |
C or D |
B |
Cargo Oil Terms
and Definitions |
|
C |
A petroleum liquid
has a flash point of 85°F. This is a grade __________. |
B flammable liquid |
C flammable liquid |
D combustible
liquid |
E combustible
liquid |
Cargo Oil Terms
and Definitions |
|
B |
Flammable liquid
means any liquid which gives off flammable vapors at or below __________. |
40°F (4.4°C) |
80°F (26.7°C) |
110°F (43.3°C) |
150°F (65.6°C) |
Cargo Oil Terms
and Definitions |
|
B |
Combustible liquids
are divided into how many grades? |
One |
Two |
Three |
Four |
Cargo Oil Terms
and Definitions |
|
B |
Combustible liquid
is defined as any liquid having a flash point above __________. |
40°F ( 4°C) |
80°F (27°C) |
110°F (43°C) |
150°F (66°C) |
Cargo Oil Terms
and Definitions |
|
C |
A combustible
liquid with a flash point of 90°F would be grade __________. |
B |
C |
D |
E |
Cargo Oil Terms
and Definitions |
|
C |
A flammable liquid
having a Reid vapor pressure of 8½ P.S.I.A. or less and a flash point of
80°F or below is grade __________. |
A |
B |
C |
D |
Cargo Oil Terms
and Definitions |
|
C |
A petroleum liquid
has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________. |
B flammable liquid |
C flammable liquid |
D combustible
liquid |
E combustible
liquid |
Cargo Oil Terms
and Definitions |
|
A |
Butadiene, inhibited,
is labeled as a __________. |
flammable gas |
flammable liquid |
combustible liquid |
flammable solid |
Cargo Oil Terms
and Definitions |
|
A |
The vapor pressure
of a substance __________. |
increases with
the temperature |
may increase or
decrease as the temperature rises |
is not affected
by temperature |
decreases as temperature
increases |
Cargo Oil Terms
and Definitions |
|
C |
When referring
to quantity of barite in a P-tank, ullage is the __________. |
total weight of
barite in UPC (ullages per centimeter) |
distance of the
barite surface above the tank bottom |
distance of the
barite surface below the tank cover |
percentage of
barite in the tank |
Cargo Oil Terms
and Definitions |
|
C |
The vapor pressure
of a gas is defined as the pressure necessary to keep it in what state? |
solid state |
soluble state |
liquified state |
inert state |
Cargo Oil Terms
and Definitions |
|
B |
What does the
term "oil", as used in the U.S. regulations mean? |
liquefied petroleum
gas |
petroleum oil
of any kind |
fuel oil only |
crude oil only |
Cargo Oil Terms
and Definitions |
|
A |
Which of the following
reacts dangerously with vinyl chloride? |
concentrated nitric
acid |
alkalies |
saltwater |
organic acids |
Cargo Oil Terms
and Definitions |
|
B |
A combustible
liquid is defined as any liquid having a flash point above what temperature? |
40°F (4°C) |
80°F (27°C) |
110°F (43°C) |
150°F (66°C) |
Cargo Oil Terms
and Definitions |
|
B |
What is the flash
point of a Grade D liquid? |
212°F or greater |
greater than 80°F
and less than 150°F |
80°F or less |
150°F or greater
but less than 212°F |
Cargo Oil Terms
and Definitions |
|
B |
You have orders
to load cargoes of carbon disulfide, diisopropylamine and pyridine on your
multi-product tankship. Which statement is TRUE? |
Carbon disulfide
may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS.
1 and 2 wing tanks. |
A tank of pyridine
may be used to separate a tank of carbon disulfide from a tank of diisopropylamine. |
Pyridine and diisopropylamine
may be carried in tanks having a common header vent. |
Carbon disulfide
must be separated from pyridine by two barriers (cofferdams, voids, empty
tanks, etc.). |
Cargo Oil Terms
and Definitions |
|
A |
What is the flash
point of vinyl chloride? |
-108°F (-78°C) |
32°F (0°C) |
-20°F (-29°C) |
97°F (36°C) |
Cargo Oil Terms
and Definitions |
|
A |
What happens to
the volume of flammable and combustible liquids when temperature is increased? |
it expands |
it remains constant
if pressure remains constant |
it remains constant |
it contracts |
Cargo Oil Terms
and Definitions |
|
C |
Which factor must
be considered when determining the order of loading of dissimilar products
through the same piping system aboard a tanker? |
Reid vapor pressures |
Flash points |
Contamination
of the cargo |
Specific gravities |
Cargo Oil Terms
and Definitions |
|
D |
What is the temperature
at which a vapor mixture, at a given pressure, begins to condense? |
boiling point |
critical point |
bubble point |
dew point |
Cargo Oil Terms
and Definitions |
|
C |
Some cargoes can
react with air to form unstable oxygen compounds which could cause them
to do which of the following? |
form CO2 |
form water |
explode |
polymerize |
Cargo Oil Terms
and Definitions |
|
D |
Which of the following
will be the indication of the tendency of a grade "B" product
to vaporize? |
flammable range |
ignition temperature |
convection index |
flash point |
Cargo Oil Terms
and Definitions |
|
A |
Which of the following
describes the relationship between the vapor pressure of a substance and
temperature? |
increases with
the temperature |
is not affected
by temperature |
decreases as temperature
increases |
may increase or
decrease as the temperature rises |
Cargo Oil Terms
and Definitions |
|
D |
What is the general
name given to propane, butane, and mixtures of the two? |
LNG |
NGL |
LEG |
LPG |
Cargo Oil Terms
and Definitions |
|
B |
Which of the following
describes one of the principle dangers inherent in liquified petroleum gas? |
as it warms up
it becomes heavier than air |
its low temperature
causes frostbite or freezing |
the way it reacts
with sea water |
the strong odor
it produces |
Cargo Oil Terms
and Definitions |
|
B |
Which of the following
is a characteristic of Methane gas? |
it is corrosive |
it is odorless |
it is volatile |
it is active |
Cargo Oil Terms
and Definitions |
|
A |
The fitting at
the end of a cargo line in a tank that allows suction to be taken close
to the bottom of a tank is a __________. |
bell-mouth |
vacuum valve |
strainer |
suction end |
Cargo Piping and
Pumping Systems |
|
B |
The system of
valves and cargo lines in the bottom piping network of a tank vessel that
connects one section of cargo tanks to another section is called a __________. |
runaround |
crossover |
manifold |
come-along |
Cargo Piping and
Pumping Systems |
|
A |
The pipe used
to connect two separate piping systems on a tank vessel is known as a __________. |
crossover |
connection |
transfer |
junction |
Cargo Piping and
Pumping Systems |
|
B |
The piping that
routes an oil cargo from the manifold directly to a cargo tank and serves
only one tank is known as a __________. |
branch line |
tank drop |
filler line |
cargo fill |
Cargo Piping and
Pumping Systems |
|
D |
The main underdeck
pipeline on a tankship is connected to individual tanks by __________. |
line drops |
crossovers |
tank drops |
branch lines |
Cargo Piping and
Pumping Systems |
|
C |
The piping that
routes an oil cargo from the manifold to underdeck pipelines is known as
a __________. |
branch line |
cargo fill |
line drop |
transfer |
Cargo Piping and
Pumping Systems |
|
C |
Pinching of the
cargo hose between the vessel and the dock should be prevented by __________. |
tying off the
topping lifts and runners to winch heads |
laying out an
excess length of hose on deck |
adjusting the
hose supports |
All of the above. |
Cargo Piping and
Pumping Systems |
|
C |
A single fitting
installed in a pipeline that either blanks off the pipe or allows a full
flow passage of a liquid through the pipe is referred to as a __________. |
blind flange |
pivot coupling |
spectacle flange |
quick-release
coupling |
Cargo Piping and
Pumping Systems |
|
C |
The main function
of a stripping system is to __________. |
dispose of dangerous
vapors within the cargo tanks |
maintain the temperature
of the cargo throughout the vessel |
discharge liquid
left in the cargo tanks after the main pumps have discharged the bulk |
increase the loading
rate of the shoreside pumps |
Cargo Piping and
Pumping Systems |
|
A |
What will NOT
increase friction of a liquid flowing in a pipe and cause a loss of suction
head? |
Slowing the pumping
rate |
Bends in the piping |
Pipeline valves |
Backing rings
for pipe welds |
Cargo Piping and
Pumping Systems |
|
B |
Your non-oceangoing
vessel is required to have a fixed piping system to discharge oily mixtures
ashore. What is required at each outlet of this system? |
A non-return valve |
A stop valve |
A 5-gallon can
or a fixed containment system |
A means to stop
each pump |
Cargo Piping and
Pumping Systems |
|
B |
Insulating flanges
minimize the dangers arising from which of the following? |
smoking on deck |
accumulations
of electrostatic charges |
loading asphalt |
tank over-pressurization |
Cargo Piping and
Pumping Systems |
|
B |
What is the most
commonly used material for valve construction in LNG cargo piping? |
9% nickel alloy
steel. |
Stainless steel. |
Aluminum. |
5% nickel alloy
steel. |
Cargo Piping and
Pumping Systems |
|
C |
What should you
use when hooking up a cargo hose to your vessel manifold? |
international
shore connection |
oxygen analyzer |
insulating flange
or single length of non-conducting hose |
self-contained
breathing apparatus |
Cargo Piping and
Pumping Systems |
|
D |
In accordance
with regulations, what is the required bursting pressure of a cargo hose
used for transferring liquefied gases? |
4 times the pressure
of the cargo pump used for transferring |
5 times the minimum
working pressure on the hose during cargo transfer |
one half the designed
working pressure |
5 times the maximum
working pressure on the hose during cargo transfer |
Cargo Piping and
Pumping Systems |
|
C |
On a vapor control
system, what must each vessel's vapor connection flange have? |
pressure gauge
permanently attached to the flange |
hose saddle |
stud at least
1" long projecting from the flange face |
6" reducer |
Cargo Piping and
Pumping Systems |
|
C |
What is the first
action you should take to prevent oil from escaping into the sea when ballasting
through the cargo piping system? |
open sluice valves,
then start the cargo pump |
open block valves,
then start the cargo pump |
start the cargo
pump, then open sea suction valves |
open sea suction
valves, then start the cargo pump |
Cargo Piping and
Pumping Systems |
|
C |
A relief valve
for a cargo pump is generally installed __________. |
between the pump
and suction valve |
after the discharge
valve |
between the pump
and discharge valve |
after the suction
valve |
Cargo Piping and
Pumping Systems |
|
C |
Branch venting
from safety relief valves on barges shall be constructed to discharge the
gas at a vertical height above the weather deck to a minimum of __________. |
6 feet |
8 feet |
10 feet |
12 feet |
Cargo Piping and
Pumping Systems |
|
C |
Which statement
is TRUE concerning deep well self-priming pumps? |
When loading oil
cargo, it is always loaded via the discharge line through to the pump until
the tank is topped off. |
In recent years
deep well pumps have become increasingly unpopular in product tankers and
medium size crude ships. |
Stripping systems
are generally eliminated for the purposes of cargo handling. |
There is no danger
of damaging the pump from overheating. |
Cargo Piping and
Pumping Systems |
|
C |
Which statement
about a centrifugal cargo pump is TRUE? |
It is a positive
displacement pump. |
Increasing rotation
speed will decrease discharge pressure. |
It must have a
positive suction. |
All of the above. |
Cargo Piping and
Pumping Systems |
|
A |
What is a characteristic
of all centrifugal cargo pumps? |
Decreasing the
speed of rotation will decrease the discharge pressure. |
Opening the discharge
valve wider will increase the discharge pressure. |
They are self-priming. |
All of the above. |
Cargo Piping and
Pumping Systems |
|
B |
What is NOT an
advantage of centrifugal pumps over reciprocating pumps? |
They pump more
cargo in less time. |
They require priming
for stripping. |
They are less
expensive. |
They are smaller
for equivalent pumping ability. |
Cargo Piping and
Pumping Systems |
|
D |
Which statement
is TRUE of centrifugal pumps aboard tankers? |
They are more
expensive than reciprocating pumps. |
They are used
for stripping pumps. |
They require extensive
maintenance. |
They are gravity-fed. |
Cargo Piping and
Pumping Systems |
|
A |
Which pump must
always be primed? |
Centrifugal pump |
Reciprocating
pump |
Rotary pump |
All of the above. |
Cargo Piping and
Pumping Systems |
|
B |
Which statement
is TRUE of centrifugal pumps aboard tank vessels? |
They are positive
displacement pumps. |
They are gravity-fed. |
They require more
maintenance than a reciprocating pump. |
They produce a
pulsating flow. |
Cargo Piping and
Pumping Systems |
|
D |
Centrifugal pumps
have what advantage(s) over reciprocating pumps? |
They pump more
cargo in less time. |
They are smaller
for equivalent pumping ability. |
They are less
expensive. |
All of the above. |
Cargo Piping and
Pumping Systems |
|
B |
A deepwell pump
is a type of __________. |
gear pump |
centrifugal pump |
screw pump |
eductor |
Cargo Piping and
Pumping Systems |
|
C |
All of the following
steps are taken in starting a centrifugal pump, EXCEPT to __________. |
check the lubrication
system |
vent the pump
casing |
set the relief
valve |
open the pump
suction and discharge valves |
Cargo Piping and
Pumping Systems |
|
D |
You may be able
to avoid loss of suction in a pump by __________. |
using a full tank
to keep the pump primed |
opening the vent
cock on the pump |
closing down on
the tank valve |
All of the above. |
Cargo Piping and
Pumping Systems |
|
C |
You start a centrifugal
cargo pump to discharge cargo. The pump works for a while and then loses
suction. This could be caused by __________. |
the pump running
backwards |
the discharge
head being too high |
incomplete priming |
All of the above. |
Cargo Piping and
Pumping Systems |
|
B |
Which method should
be used to warm up the pump turbines prior to discharge? |
Run the turbine
at slow speed with the pump disconnected |
Shut the discharge
valve and run the pump at slow speed |
Lock the turbine
rotor and slowly bleed in steam until operating temperature is reached |
Run the pump at
high speed with the discharge valves closed |
Cargo Piping and
Pumping Systems |
|
A |
What is LEAST
likely to be used to strip a cargo tank? |
Centrifugal pump |
Reciprocating
pump |
Eductor |
Rotary pump |
Cargo Piping and
Pumping Systems |
|
D |
On what type of
pump would you find an impeller? |
Piston |
Vane |
Gear |
Centrifugal |
Cargo Piping and
Pumping Systems |
|
C |
If two centrifugal
pumps, driven by two independent electric motors, operating at unequal speeds
are discharging an inflammable liquid through a common discharge line, the
higher speed pump may cause the slower pump to do which of the following? |
overspeed the
driving end |
turn backward |
overheat |
stop |
Cargo Piping and
Pumping Systems |
|
D |
Steam driven pumps
are considered, by regulations, sources of vapor ignition if the steam temperature
is at least what temperature? |
100°C |
1200°F |
212°F |
500°F |
Cargo Piping and
Pumping Systems |
|
B |
Which of the following
conditions would be hazardous if you were using two centrifugal pumps to
discharge a flammable liquid? |
Each pump operating
at a different speed and taking suction from a common line. |
Each pump operating
at a different speed and discharging into a common line. |
Both pumps operating
at the same speed and discharging into a common line. |
Both pumps operating
at the same speed taking suction from a common line. |
Cargo Piping and
Pumping Systems |
|
D |
On many modern
tankers, which of the following devices is used to reduce cargo pump leakage
to the pump room bilge? |
Clipper seals |
Flinger rings |
Shaft sleeves |
Mechanical seals |
Cargo Piping and
Pumping Systems |
|
D |
Which statement
is TRUE of centrifugal pumps aboard tankers? |
They are more
expensive than reciprocating pumps. |
They are used
for stripping pumps. |
They are used
for stripping pumps. |
They are gravity-fed. |
Cargo Piping and
Pumping Systems |
|
A |
Which of the following
statements concerning deep well cargo pumps is correct? |
A pumproom is
not necessary. |
The prime mover
is connected at the lower portion of the shaft. |
The impeller is
located at the upper end of the shaft. |
Special priming
provisions are necessary. |
Cargo Piping and
Pumping Systems |
|
A |
The terminal indicates
to you that they are going to use a booster pump to assist the discharging
operation. You start the discharge, and in a few minutes the pressure drops
sharply. This could be a result of which of the following? |
booster pump coming
on the line and discharging properly |
booster pump being
lined up in the wrong direction |
ships pump speeding
up |
booster pump failing
to start |
Cargo Piping and
Pumping Systems |
|
C |
What are submerged
LNG pump bearings lubricated by? |
silicon grease |
graphite |
LNG |
Low Temp-a special
cryogenic lubricant |
Cargo Piping and
Pumping Systems |
|
A |
What is the purpose
of pressure-vacuum relief valves? |
Automatic regulation
of pressure or vacuum in enclosed spaces. |
Regulation of
discharge pressure from cargo pumps |
Maintaining constant
velocity in cargo lines |
Regulation of
suction head on cargo pumps |
Cargo Piping and
Pumping Systems |
|
C |
To insure proper
seating when closing a valve on a tank, the valve should be __________. |
set up as tight
as possible by hand |
closed against
the stop and the locking pin inserted |
closed, opened
a half turn, and then closed again |
set up tight using
a valve wrench |
Cargo Piping and
Pumping Systems |
|
B |
The valve on the
discharge side of a cargo pump on a tank vessel will usually be a __________. |
gate valve |
check valve |
butterfly valve |
globe valve |
Cargo Piping and
Pumping Systems |
|
D |
What is TRUE of
pressure/vacuum valves? |
They are designed
to provide for the flow of small volumes of tank atmospheres caused by thermal
variations in a cargo tank. |
They should operate
in advance of the pressure/vacuum breakers. |
They should be
kept in good working order by regular inspection and cleaning. |
All of the above. |
Cargo Piping and
Pumping Systems |
|
A |
What is the purpose
of the relief valve of a cargo pump? |
Permits the return
of cargo to the suction side of the pump |
Provides for the
removal of vapors |
Allows two or
more tanks to be filled at the same time |
Provides for the
emergency shutdown of the pump |
Cargo Piping and
Pumping Systems |
|
D |
Cargo pump relief
valves are piped to the __________. |
atmosphere through
pump vents |
crossover lines
interconnecting two pumps |
cargo pump pressure
gauges |
suction side of
pumps |
Cargo Piping and
Pumping Systems |
|
C |
Which characteristic
is an advantage of a butterfly valve as compared to a gate valve? |
No resistance
to cargo flow when open |
Precise control
over cargo flow |
Quick operation |
Less maintenance
required |
Cargo Piping and
Pumping Systems |
|
A |
What is an advantage
of a gate valve over a butterfly valve? |
Less frequent
maintenance |
More compact |
Faster operation |
Cheaper |
Cargo Piping and
Pumping Systems |
|
D |
A device fitted
over the discharge opening on a relief valve consisting of one or two woven
wire fabrics is called a flame __________. |
filter |
restrictor |
stopper |
screen |
Cargo Piping and
Pumping Systems |
|
B |
What is the proper
direction of flow through a globe valve when the valve is installed to be
in a normally open position? |
From above the
seat |
From below the
seat |
Depends on seat
configuration |
Direction is unimportant |
Cargo Piping and
Pumping Systems |
|
B |
Remote controls
for quick-closing shut off valves are required in how many location(s)? |
1 |
2 |
3 |
4 |
Cargo Piping and
Pumping Systems |
|
C |
What type of valve
will usually be on the discharge side of a cargo pump on a tank vessel? |
gate valve |
globe valve |
check valve |
butterfly valve |
Cargo Piping and
Pumping Systems |
|
D |
Which of the following
applies to cargo tank safety valves? |
can be opened
by pilot valves |
are not held closed
by tank pressure |
are not to be "popped"
in port |
All of the above. |
Cargo Piping and
Pumping Systems |
|
A |
What is a single
fitting installed in a pipeline that either blanks off the pipe or allows
a full flow passage of a liquid through the pipe? |
spectacle flange |
pivot coupling |
quick-release
coupling |
blind flange |
Cargo Piping and
Pumping Systems |
|
D |
What is TRUE of
pressure/vacuum valves? |
They should be
kept in good working order by regular inspection and cleaning. |
They should operate
in advance of the pressure/vacuum breakers. |
They are designed
to provide for the flow of small volumes of tank atmospheres caused by thermal
variations in a cargo tank. |
All of the above. |
Cargo Piping and
Pumping Systems |
|
D |
Pressure-vacuum
relief valves on tank vessel cargo tanks should be kept in good working
order to prevent __________. |
escape of explosive
vapors |
oil spillage on
deck |
contamination
from other tanks |
damage to tank
boundaries |
Cargo Piping and
Pumping Systems |
|
A |
The periodic weight
testing of a vessel's cargo booms may be performed by the __________. |
American Bureau
of Shipping |
Society of Naval
Architects and Marine Engineers |
National Cargo
Bureau |
U.S. Coast Guard |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What would you
use to adjust the height of a cargo boom? |
Topping lift |
Spanner guy |
Working guy |
Lizard |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is meant
by the term "topping the boom"? |
Spotting the boom
over the deck |
Swinging the boom
athwartships |
Lowering the boom |
Raising the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is meant
by "spotting the boom"? |
Two-blocking it |
Lowering it into
a cradle |
Spotting it with
wash primer and red lead |
Placing it in
a desired position |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The process of
lowering a boom to a horizontal position and onto its deck support is called
__________. |
collaring a boom |
cradling a boom |
toppling a boom |
spotting a boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The heel block
is located __________. |
at the base of
the boom |
near the spider
band |
near the midships
guy |
at the cargo hook |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The head block
is located __________. |
at the base of
the boom |
on top of the
jack staff |
at the head of
the boom |
at the head of
the mast |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
A band or collar
on the top end of a boom to which the topping lift, midships guy, and outboard
guys are secured, is called the __________. |
spider band |
guy band |
collar band |
pad eye collar |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which part of
a cargo boom has the greatest diameter? |
It has the same
diameter along its complete length. |
Head |
Heel |
Middle |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is required
to be stenciled at the heel of a cargo boom? |
Date of the last
quadrennial test |
Maximum angle
of elevation permitted |
Maximum load when
doubled up |
Safe working load |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The safe working
load for the assembled cargo gear and the minimum angle to the horizontal
for which the gear is designed shall be marked on the __________. |
head of the boom |
heel of the boom |
deck |
mast or king post |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The fitting that
allows a boom to move freely both vertically and laterally is called the
__________. |
swivel |
spider band |
gooseneck |
lizard |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The main advantage
and chief characteristic of a Steulchen boom is that it can be __________. |
operated by one
winchman |
collared to the
mast |
cradled on deck |
swung from one
hatch to the adjacent hatch |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
With a given load
on the cargo hook, the thrust on a cargo boom __________. |
is greatest at
an angle of 45° and decreases as the boom is raised or lowered |
increases as the
angle to the horizontal increases |
is least at an
angle of 45° and increases as the boom is raised or lowered |
increases as the
angle to the horizontal decreases |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The greatest strain,
when lifting a load with the jumbo purchase, is on __________. |
the parts in the
movable block |
the hauling part
because it must absorb the frictional losses of all the sheaves |
the standing part
because it is directly connected to the weight |
all of the parts,
dividing the load equally |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
For a given weight
of cargo, the stress on the heel block of a cargo boom __________. |
is determined
by the thrust stresses on the boom |
increases as the
cargo closes the head while hoisting |
increases if the
cargo runner is doubled up |
decreases as the
boom is topped to a greater angle |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The greatest horizontal
stress between the heads of the booms in the yard and stay rig occurs when
the load is in such a position that the __________. |
stay fall is at
a greater angle to the horizontal than the yard fall |
stay fall is vertical |
yard fall is at
a greater angle to the horizontal than the stay fall |
falls are at an
equal angle to the horizontal |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
You are lifting
a one-ton weight with a swinging boom. When comparing the stresses on the
rig with the boom at 20° to the horizontal to the stresses when the boom
is at 60° to the horizontal, which statement is TRUE? |
The thrust on
the boom is greater at 20°. |
The stress on
the head block is greater at 60°. |
The angle of elevation
does not change the stresses in the masthead fairlead for the topping lift. |
The stress on
the heel block is greater at 60°. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are lifting
a one-ton weight with a swinging boom. When comparing the stresses on the
rig with the boom at 20° to the horizontal to the stresses when the boom
is at 60° to the horizontal, which statement is true? |
The change in
angle of elevation has no effect on the stresses in the head block. |
The thrust on
the boom is greater at 20°. |
The stress on
the heel block is less at 60°. |
The stress on
the topping lift is greater at 60°. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are lifting
a one-ton weight with a swinging boom. When comparing the stresses in the
rig with the boom at 20° to the horizontal to the stresses when the boom
is at 60° to the horizontal, which statement is TRUE? |
The stress on
the heel block is less at 20°. |
The thrust on
the boom is greater at 20°. |
The stress on
the topping lift is greater at 60°. |
The stress on
the masthead fairlead for the topping lift is greater at 20°. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are lifting
a one-ton weight with a swinging boom. When comparing the stresses on the
rig with the boom at 20° to the horizontal to the stresses when the boom
is at 60° to the horizontal, which statement is TRUE? |
The stress on
the topping lift is greater at 60°. |
The stress on
the heel block is less at 20°. |
The stress on
the head block is less at 60°. |
The thrust on
the boom is greater at 60°. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The signal man
assisting a crane operator has his arm extended, thumb pointing downwards,
flexing fingers in and out. This is the signal to __________. |
lower the load
and raise the boom |
raise the load
and lower the boom |
lower the boom
and raise the load |
raise the boom
and lower the load |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The signal man
assisting the crane operator has his arm extended with the palm down and
holds this position rigidly. This is the signal to __________. |
lower |
stop |
hoist |
swing |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
How should you
signal the crane operator to hoist? |
With forearm vertical
and forefinger pointing up, move hand in small horizontal circles. |
Extend arm with
fingers closed and thumb pointing upward. |
With arm extended
downwards and forefinger pointing down, move hand in small horizontal circles. |
Place both fists
in front of body with the thumbs pointing upward. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
How should you
signal the crane operator to use the main hoist? |
First tap your
elbow with one hand, and then proceed to use regular signals. |
Extend arm with
the thumb pointing up and flex the fingers in and out for as long as the
load movement is desired. |
Use one hand to
give any motion signal, and place the other hand motionless in front of
the hand giving the motion signal. |
First tap the
top of your head with your fist, and then proceed to use regular signals. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
How should you
signal the crane operator to lower? |
With forearm vertical
and forefinger pointing up, move hand in small horizontal circles. |
With arm extended
downwards and forefinger pointing down, move hand in small horizontal circles. |
Extend arm and
point finger in the direction to move the boom. |
Extend arm with
thumb pointing downward, and flex fingers in and out. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
How should you
signal the crane operator to use the whip line? |
First tap your
elbow with one hand, and then proceed to use regular signals. |
Extend arm with
the thumb pointing up, and flex the fingers in and out for as long as the
load movement is desired. |
Use one hand to
give any motion signal, and place the other hand motionless in front of
the hand giving the motion signal. |
First tap the
top of your head with your fist, and then proceed to use regular signals. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
How should you
signal the crane operator to raise the boom and lower the load? |
Extend arm with
the palm down and hold this position rigidly. |
Extend arm with
the thumb pointing up, and flex the fingers in and out for as long as the
load movement is desired. |
Clasp hands in
front of your body. |
Place both fists
in front of your body with thumbs pointing toward each other. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
How should you
signal the crane operator to move slowly? |
First tap the
top of your head with your fist and then proceed to use regular signals. |
Extend arm with
the thumb pointing up, and flex the fingers in and out for as long as the
load movement is desired. |
Use one hand to
give any motion signal, and place the other hand motionless in front of
the hand giving the motion signal. |
First tap your
elbow with one hand and then proceed to use regular signals. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
How should you
signal the crane operator to stop? |
Extend arm with
the palm down and hold this position rigidly. |
Clasp hands in
front of your body. |
Place both fists
in front of your body with the thumbs pointing outward. |
With both arms
extended out and palms down, move arms back and forth. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
How should you
signal the crane operator to dog everything? |
Extend arm with
the palm down and hold this position rigidly. |
Extend arm with
the thumb pointing up, and flex the fingers in and out. |
Place both fists
in front of your body with thumbs pointing toward each other. |
Clasp hands in
front of your body. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
How should you
signal the crane operator to lower the boom? |
With arm extended
and fingers closed, point thumb downward. |
With arm extended
downwards and forefinger pointing down, move hand in small horizontal circles. |
With hands clasped
in front of your body. |
Extend arm with
the palm down, and hold this position rigidly. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
How should you
signal the crane operator to swing? |
Place both fists
in front of the body with the thumbs pointing outward. |
With arm extended
downwards and forefinger pointing down, move hand in small horizontal circles. |
Extend arm and
point finger in the direction to move the boom. |
With both arms
extended out and palms down, move arms back and forth. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The signal man
assisting the crane operator has his arm extended and is pointing his finger
in the direction to move the boom. This is the signal to __________. |
hoist |
extend |
swing |
lower |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
How should you
signal the crane operator to raise the boom? |
Extend arm with
the thumb pointing up and flex the fingers in and out. |
With forearm vertical
and forefinger pointing up, move hand in small horizontal circles. |
Extend arm with
fingers closed and point thumb upward. |
Place both fists
in front of the body with the thumbs pointing upward. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
How should you
signal the crane operator to lower the boom and raise the load? |
With forearm vertical
and forefinger pointing up, move hand in small horizontal circles. |
Extend arm and
point finger in the direction to move the boom. |
Extend arm with
thumb pointing downward and flex fingers in and out. |
With arm extended
downwards and forefinger pointing down, move hand in small horizontal circles. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The signal man
assisting the crane operator has his arm extended downwards, forefinger
pointing down, and moves his hand in small horizontal circles. This is the
signal to __________. |
hoist |
lower |
extend |
swing |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The signal man
assisting the crane operator has his forearm vertical, forefinger pointing
up, and moves his hand in a small horizontal circle. This is the signal
to __________. |
extend |
lower |
swing |
hoist |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
How should you
signal the crane operator to stop in an emergency? |
Extend arm with
the palm down and hold this position rigidly. |
Place both fists
in front of the body with the thumbs pointing outward. |
Extend arm and
move hand rapidly right and left with the palm down. |
Place clasped
hands in front of your body. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The signal man
assisting a crane operator has his arm extended with his fingers closed
and thumb pointing upward. This is the signal to __________. |
check the boom
stop |
raise the hook |
raise the boom
and hook |
raise the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The signal man
has both arms extended out, palms down, and is moving his arms back and
forth. This is the signal for __________. |
emergency stop |
swing right |
keep lifting |
swing left |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The signal man
assisting the crane operator has his arm extended, with the thumb pointing
up, and is flexing his fingers in and out for as long as the load movement
is desired. This is the signal to __________. |
raise the boom
and lower the load |
lower the boom
and lower the load |
raise the boom
and raise the load |
lower the boom
and raise the load |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The signal man
assisting the crane operator uses one hand to give any motion signal and
places the other hand motionless in front of the hand giving the motion
signal. This is the signal to __________. |
increase speed |
proceed with caution |
stop |
move slowly |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The signal man
assisting the crane operator has his arm extended, his fingers closed, and
his thumb pointing downward. This is the signal to __________. |
lower the load |
hoist the load |
raise the boom |
lower the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The signal man
assisting the crane operator first taps his elbow with one hand and then
proceeds to use regular signals. This is the signal to __________. |
use the main hoist |
use the whip line |
proceed slowly |
increase speed |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The signal man
assisting the crane operator first taps the top of his head with his fist
and then proceeds to use regular signals. This is the signal to __________. |
use the main hoist |
use the whip line |
proceed slowly |
use the auxiliary
line |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The signal man
assisting the crane operator has one hand occupied and one fist in front
of his chest with the thumb pointing outward and is tapping his chest with
the heel of his fist. This is the signal to __________. |
hoist the boom |
extend the boom |
retract the boom |
lower the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The signal man
assisting the crane operator has his hands clasped in front of his body.
This is the signal to __________. |
stop |
prepare for signal |
dog everything |
stand-by |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What does item "K"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Cargo snaking
cables |
Manual slewing
cables |
Rider block taglines |
Jib luffing cables |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What does item "G"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Pillar |
Turntable |
Pedestal |
Mast |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What does item "E"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Tagline |
Cargo snaking
wire |
Electric cable |
Hook release cable |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What does item "A"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Slewing cable |
Cargo hoist falls |
Remote block tagline
system |
Boom luffing falls |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Pedestal cranes
have limit switches to restrict the movement of which function? |
Luff travel limits |
Turntable limits |
Slew travel limits |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Pedestal cranes
have limit switches to restrict the movement of which function? |
Slew travel limits |
Slew rate limits |
Swivel power limits |
Luff rate limits |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What does item "C"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Equalizing beam |
Block/hook assembly |
Hoist fall spreader |
Rider block |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What does item "D"
refer to in illustration D045DG of a 30-ton pedestal crane? |
Hook block |
Heel block |
Gin block |
Rider block |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The crane manufacturer's
operating tables are posted near the __________. |
crane controls |
crane pedestal |
main deck |
wire-rope locker |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which statement
is TRUE concerning a tagline as used with a 30-ton pedestal crane? |
Taglines are wire
rope purchases that raise and lower the topping lift. |
Taglines are wire
ropes payed-out or taken-in for positioning the crane pedestal. |
Taglines are wire
rope purchases that raise and lower the jib. |
Taglines can be
fastened to the corners of vehicles or containers during cargo operations. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Which statement
is TRUE concerning a tagline as used with a 30-ton pedestal crane? |
The taglines are
wire rope purchases that raise and lower the topping lift. |
Taglines are wire
rope purchases that raise and lower the jib. |
The crane might
not have taglines installed in its rigging system. |
Taglines can be
fastened to the corners of the jib when lifting containers. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What is the maximum
weight the 30 ton capacity pedestal cranes shown in illustration D051DG
can lift when married together in twin with the other pair of cranes at
the opposite end of the hatch? |
30 tons |
90 tons |
120 tons |
60 tons |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which safety precaution(s)
should be observed during crane operations? |
Using the proper
slings or other lifting devices during cargo operations |
Checking for proper
lifting from beneath the load during cargo operations |
Relaying communications
to port agents on the pier during cargo hoists |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
When a cargo boom
or crane is rated at varying capacities, there will be a table at the controls
which relates safe working load to __________. |
cable strength |
winch speed |
boom strength |
load radius |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
is/are the component(s) of a twin crane set as shown in illustration D047DG? |
Crane house assembly |
Foundation assembly |
Turntable assembly |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
It is the responsibility
of the crane operator to, at all times, be aware of the location of the
__________. |
boom |
hook |
load |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What is the maximum
weight the 30 ton capacity pedestal cranes shown in illustration D049DG
can lift in the twin mode? |
15 tons |
30 tons |
60 tons |
120 tons |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
is/are the component(s) of a twin crane set as shown in illustration D047DG? |
Hook block assembly |
Boom assembly |
Operator's cab |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What should be
given, as a minimum, to personnel who are involved in crane cargo handling? |
Protective head
gear, gloves, and steel-toed safety shoes |
A life preserver
for going aloft to work on the crane |
A survival suit
for work on the stern or side port |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which of the following
is/are the optional component(s) of a twin crane set as shown in illustration
D047DG? |
Rider block tagline
system |
Hook block assembly |
Boom assembly |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The load chart
of a crane enables the operator to combine the load radius with boom length
to determine the __________. |
allowable load |
maximum counter
weight required |
hoist rope strength |
minimum horsepower
required |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The 30 ton capacity
pedestal cranes shown in the illustration D047DG can lift a maximum weight
of how many tons in the single mode? |
120 tons |
60 tons |
30 tons |
15 tons |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
On a ship's crane,
the load chart relates the allowable load to the combination of the boom
length and __________. |
winch speed |
boom strength |
cable strength |
load radius |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
When should a
crane boom-up so high that the boom hits the stops? |
Only if the load
has not exceeded the limit at that angle |
Never |
Only if necessary
to perform a given lift |
Only if the load
contains non-hazardous materials |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The boom stops
on a pedestal crane prevent the boom from __________. |
being raised too
high |
swinging at sea |
overloading when
not in use |
being lowered
too low |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
For any given
pedestal crane, when the boom is lengthened, the lifting capacity is __________. |
decreased |
eliminated |
unchanged |
increased |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The boom indicator
on a crane will indicate the __________. |
direction of the
boom |
length of the
boom |
angle of the boom |
lifting capacity
of the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The boom indicator
tells the operator at what angle the boom is compared to the __________. |
horizontal position
of the load being lifted |
vertical position
of the load being lifted |
horizontal position
of the boom |
vertical position
of the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statements is TRUE regarding crane operations? |
The aft cranes
can be operated from the aft steering station. |
The forward cranes
can be operated from the bridge. |
Radio communications
allow the crane operator to disregard the use of hand signals. |
The crane operators
and signalman must be familiar with the correct hand signals. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which action(s)
is/are included in crane operations? |
Pre-operation
checks and start-up |
Removing booms
from stowage |
Luff, slew, and
hoist operations |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which action(s)
is/are included in crane operations? |
Removing booms
from stowage |
Emergency shutdown
operation |
Normal boom stowage
and shutdown operations |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statement(s) is/are TRUE regarding twin pedestal cranes? |
Each single boom
is of the partial-level luffing type and is capable of limited rotation. |
A slew drive system
provides for rotation of each crane. |
An independent
slew drive system rotates the turntable. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statement(s) is/are TRUE regarding twin pedestal cranes? |
Maintenance logs
and records are to be kept for each crane. |
A slew drive system
provides for rotation of each crane. |
Each single boom
is of the partial-level luffing type and is capable of limited rotation. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statement(s) is/are TRUE regarding a twin pedestal crane set? |
The cranes may
be interconnected for twin operation. |
The cranes may
be operated independently. |
When twinned,
the crane rotation on the foundation assembly is unlimited. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Which of the following
statement(s) is/are FALSE regarding a twin pedestal crane set? |
The cranes may
be interconnected for twin operation. |
The cranes may
be operated independently. |
The cranes are
powered by independent internal combustion power units. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statement(s) is/are TRUE regarding twin pedestal cranes? |
Each crane is
supplied with luff, hoist, and slew functions for crane load handling. |
An independent
slew drive system rotates the turntable. |
A slew drive system
provides for rotation of each crane. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Which statement
is TRUE regarding the operation of a crane? |
The cargo block
is raised and lowered by the luffing winch. |
The crane jib
is raised and lowered by the luffing winch. |
The crane jib
is raised and lowered by a jibing winch. |
The crane jib
is raised and lowered by the hoisting winch. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement
is FALSE regarding the operation of a crane? |
The cargo block
is raised and lowered by the luffing winch. |
The cargo block
is raised and lowered by the hoisting winch. |
The crane jib
is raised and lowered by the luffing winch. |
None of the above |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Which statement(s)
is/are TRUE regarding the operation of a crane? |
The cargo block
is raised and lowered by the luffing winch. |
The crane jib
is raised and lowered by the hoisting winch. |
The load is handled
by the hoisting winch and cargo block. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Who should be
notified prior to starting up a crane? |
The engine room |
The stevedore
foreman |
The pumpman |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which statement(s)
is/are TRUE concerning crane cargo operations? |
Cargo handlers
must be outfitted with adequate protection from personal injury. |
Do not exceed
rated load capacity of crane and container spreader or slings. |
During any cargo
handling operation, the safety of personnel is paramount. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which statement(s)
is/are TRUE concerning crane cargo operations? |
Lifting points
on all equipment must be safely checked prior to commencing a lift. |
Cargo loaded into
vehicles and/or containers prior to lifting needs to be properly secured
so as to prevent shifting during transport. |
Never exceed crane
manufacturer's limits concerning the safe working loads of cargo jibs. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement(s)
is/are TRUE concerning crane cargo operations? |
Never exceed crane
manufacturer's limits concerning the safe working loads of cargo jibs. |
Lifting points
on all equipment need not be checked prior to commencing a lift. |
Cargo loaded into
vehicles and/or containers prior to lifting need not be secured. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Which statement(s)
is/are FALSE concerning crane cargo operations? |
Never exceed crane
manufacturer's limits concerning the safe working loads of cargo jibs. |
Cargo loaded into
vehicles and/or containers prior to lifting need not be secured. |
Lifting points
on all equipment must be safely checked prior to commencing a lift. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement
is TRUE concerning the tandem working arrangement of pedestal cranes when
completing a quad lift? |
The discharge
is slow due to the size of the cargo and all the cranes working together. |
The cargo discharge
cannot be performed at anchor. |
The cranes require
shoreside assistance to handle heavy cargos. |
The cargo discharge
cannot be accomplished without pendulation. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which action(s)
should the operator of a pedestal crane take if crane control is lost? |
Let go of both
control levers and return to neutral position. |
Press the emergency
stop. |
Notify the mate
on watch. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
During which condition
should the operator of a pedestal crane shutdown operations? |
Bunkering |
More than 3° list |
High winds |
Potable water
spill on deck |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
During which condition
should the operator of a pedestal crane shutdown operations? |
Potable water
spill on deck |
Crane hydraulic
hose bursts |
Trim greater than
4 feet |
Bunkering barge
alongside |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
During which condition
should the operator of a pedestal crane shutdown operations? |
Lightning |
Fire aboard |
High winds |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
During which condition
should the operator of a pedestal crane shutdown operations? |
Lightning in the
vicinity |
An approaching
squall line |
A fire on the
pier |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which wire rope
purchases may be used with a 30-ton pedestal crane? |
Rider block |
Luff |
Hoist |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which wire rope
purchase(s) is/are optional with a 30-Ton pedestal crane? |
Rider block |
Hoist |
Luff |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which of the following
statements is/are TRUE concerning cranes being installed on the centerline
of vessels? |
They are more
economical and weigh less. |
One crane is able
to work one end of two adjacent hatches. |
One crane is able
to work both sides of the ship. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Which piece(s)
of equipment is/are required to "twin-up" 30-ton pedestal cranes
aboard a crane vessel? |
Portable power
swivel |
Equalizing beam |
20-foot container
spreader |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is the purpose
of the equalizing beam aboard a crane vessel? |
It allows for
rotation of the hook in the single mode. |
It is used to
rigidly connect two cranes. |
It is used to
pick up light loads. |
It is required
to "twin-up" 30-ton pedestal cranes. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What is another
name for the boom of a crane? |
Lift |
Rider |
Jib |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What does a jib
refer to on a crane? |
Topping lift |
Liftline |
Boom |
Control cab |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The electrical
components for each single crane are installed in its __________. |
turntable |
machinery base |
crane house |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What describes
a tandem crane lift? |
Single crane hoisting
30 tons |
Two sets of twin
cranes hoisting 120 tons |
Two cranes on
a single pedestal hoisting 60 tons |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What describes
a twin crane lift? |
Two sets of twin
cranes hoisting 120 tons |
Two cranes on
a single pedestal hoisting 60 tons |
Single crane hoisting
30 tons |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What is another
description for a tandem crane lift? |
Twin cranes hoisting
60 tons |
Quad lift hoisting
120 tons |
Single crane hoisting
30 tons |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What is used to
power modern pedestal cranes? |
Water |
Steam |
Hydraulics |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Most pedestal
crane power is provided by __________. |
Independent internal
combustion power units |
Steam units |
Electro-hydraulic
units |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is the advantage
of the tandem working arrangement of pedestal cranes when operating cargo? |
The cargo discharge
can be accomplished with controlled pendulation |
The cranes enable
the handling of heavy cargos without shoreside assistance |
The cargo discharge
can be performed in port or at anchor |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What is/are the
advantage(s) of cranes over conventional cargo booms? |
Simplicity of
operation of the crane by its operator |
Cranes are able
to pick up and drop loads over a greater spotting area |
Increased safety
because the deck is clear of running and standing rigging |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What is meant
by the term "luffing the boom" of a crane? |
Moving the boom
left or right |
Topping or lowering
the boom |
Stopping the boom |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
What does "level-luffing"
accomplish during crane operations? |
Less power is
needed when topping the boom with a load on the hook. |
It maintains the
height of the load above the deck. |
It prevents the
load from swinging when the boom level is adjusted. |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What is meant
by the term "level-luffing" a crane? |
Luffing while
the load remains at a constant height |
Maintaining the
boom at a constant height |
Slewing the boom
left or right in a level plane |
None of the above |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Before starting
to hoist provisions, which should be checked? |
Hoist rope is
not kinked |
The hook is centrally
located over the load |
Multiple part
lines are not twisted around each other |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
What is TRUE about
hoisting operations? |
If tag lines are
used to control a suspended load, they should be secured to the deck. |
If a suspended
load with no tag begins to spin, personnel should attempt to stop the spinning
if the load is within reach. |
Personnel not
involved in the hoisting operation should be kept clear of the transfer
area. |
Personnel may
work beneath suspended loads, as long as they are alert and wear hard hats. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Which part of
a conventional cargo gear rig provides for vertical control and positioning
of a boom? |
Gooseneck fitting |
Topping lift |
Spider band |
Cargo whip |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
When handling
cargo, the majority of cargo gear breakdowns is due to __________. |
extension failure
of the boom |
topping lift failures |
guy failures |
compression bending
of the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
On your vessel,
a wire rope for the cargo gear shows signs of excessive wear and must be
replaced. In ordering a new wire for this 10-ton boom, what safety factor
should you use? |
Three |
Five |
Six |
Seven |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The wire rope
used for cargo handling on board your vessel has a safe working load of
eight tons. It shall be able to withstand a breaking test load of __________. |
32 tons |
40 tons |
48 tons |
64 tons |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
It is permissible
to place an eye splice in wire rope used as cargo gear providing the splice
is made using __________. |
three tucks with
whole strands and two tucks with 1/2 the wire cut from the tucking strand |
three tucks with
whole strands |
two tucks with
whole strands and one tuck with one-half strand |
two tucks with
whole strands and three tucks with half strands |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What is the minimum
standard for making an eye splice in a wire to be used as cargo gear? |
Make six tucks
with each strand, removing a few wires from each strand as each additional
tuck is made. |
Make three tucks
with full strands, remove half the wires from each strand, and make two
more tucks. |
Make four tucks
with each full strand. |
Make four tucks
in each strand, cut away every other strand, and make two more tucks with
each remaining strand. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which ending is
NOT acceptable in a wire rope that is free to rotate when hoisting? |
Liverpool eye
splice |
Eye formed with
a pressure clamped sleeve |
Eye formed by
clips |
Poured socket |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Why is 6X19 class
wire rope more commonly used for cargo runners than the more flexible 6X37
wire rope? |
It is longer. |
It resists abrasion
better. |
It hugs the winch
drum better. |
It is less expensive. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Stress on the
topping lift of a swinging boom can be reduced by __________. |
increasing the
mechanical advantage of the cargo purchase |
taking all slack
out of the preventer |
rigging a back
stay |
raising the boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
With a given load
on the cargo hook, tension in a single span topping lift __________. |
increases as the
boom's angle to the horizontal increases |
is at a maximum
when the boom is at a 45° angle to the horizontal |
increases as the
boom's angle to the horizontal decreases |
decreases as the
boom's angle to the horizontal decreases |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The force acting
on a single cargo runner which is vertically lifting or lowering a load
is greatest when __________. |
decelerating when
lowering the load |
lowering the load
at constant speed |
raising the load
at constant speed |
decelerating when
raising the load |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The maximum theoretical
stress that can be developed on a guy in a yard and stay rig is limited
by the __________. |
weight of the
load |
lifting capacity
of the winch |
position of the
guy |
location of the
boom |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
If an electric
cargo winch is being used to lift a draft of cargo and the engine room loses
all power, which will occur? |
The load will
fall rapidly to the deck unless the foot brake is engaged. |
The load will
slowly lower to the deck under control of the drag of the winch motor. |
A pawl, forced
by a spring mechanism, will engage the teeth of the bull gear and hold the
load. |
An electromagnetic
brake will hold the load where it is suspended. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which device is
designed to automatically hold the load if power should fail to an electric
winch? |
Pneumatic brake |
Motor controller |
Hand brake |
Electromagnetic
brake |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are using
an automatic tension winch by yourself. If you get caught in the turns of
the line as they lead into the gypsyhead __________. |
the line will
part and snap back |
the safety cutout
will stop the winch before you're injured |
you may be pulled
into the winch and injured or killed |
None of the above
are correct |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Electric cargo
winches have an overload safety device which normally cuts the current to
the winch motor __________. |
before the safe
working load of the fall is reached |
before the line
pull reaches the rated capacity of the winch |
when the line
pull reaches the breaking strength of the fall |
after torque causes
line pull to exceed the rated capacity of the winch |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
If an attempt
is made to hoist a load that exceeds the capacity of an electric winch,
an overload safety device causes a circuit breaker to cut off the current
to the winch motor __________. |
after a short
build-up of torque |
immediately |
after the line
pull exceeds the rated winch capacity |
when the line
pull reaches 99% of the rated winch capacity |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
If a hydraulic
pump on a winch accidentally stops while hoisting, the load will stay suspended
because __________. |
a centrifugal
counterweight counteracts the force of gravity. |
the electric pump
motor will cut out |
the control lever
will move to the stop position |
a check valve
will close and prevent reverse circulation |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Where are the
test certificates, for wire rope used as cargo runners, and loose gear certificates
usually maintained? |
At the central
records center of the agency testing the cargo gear |
At the Coast Guard
Marine Safety Office with the vessel's inspection records |
With the Cargo
Gear Register on the ship |
In the Official
Log |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
In relation to
cargo gear, what does "SWL" mean? |
Stress, weight,
load |
Starboard wing
lift |
Ship's working
lift |
Safe working load |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
A pelican hook
__________. |
is used for boat
falls |
is used for light
loads only |
can be released
while under strain |
is used for extra
heavy loads |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Which is a TRUE
statement concerning the examining of cargo equipment at the time of a vessels
Inspection for Certification. |
Cargo booms must
be weight tested at this time by the U.S. Coast Guard. |
No test at this
time is required. |
Cargo booms must
be weight tested at this time by the American Bureau of Shipping. |
Cargo booms must
be weight tested at this time by the National Cargo Bureau. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
For vessels fitted
with cargo gear, an initial test of the units under a proof load shall be
conducted. Subsequent tests and exams of the same nature shall be carried
out at what time interval? |
1 year |
3 years |
4 years |
5 years |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
A periodic thorough
examination of the cargo gear proves satisfactory. What percentage of the
total gear must be dismantled to determine actual internal condition? |
None |
10% |
25% |
100% |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
All wire rope
used in shipboard cargo gear must be identified and described in a certificate.
The certificate shall certify all of the following EXCEPT the __________. |
load at which
a test sample broke |
name of the vessel |
date of the test |
number of strands
and of wires in each strand |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Who certifies
the safe working load of cargo booms on a vessel? |
The Ship's Master |
U.S. Coast Guard |
Society of Naval
Architects and Marine Engineers |
American Bureau
of Shipping |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
The organization
that certifies the safe working load of cargo cranes on a vessel is the
__________. |
U.S. Coast Guard |
classification
society |
National Cargo
Bureau |
none of the above |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
A sling is a device
used in __________. |
hoisting cargo
aboard a vessel |
hoisting personnel
aboard a vessel |
securing a small
boat to a large vessel |
hoisting the anchor |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The latch of a
safety hook __________. |
prevents the sling
ring from coming out of the hook if the strain is abruptly eased |
increases the
strength of the hook |
prevents the sling
ring from coming out of the hook if there is a strain on the sling ring |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The best way to
lift many small articles aboard your vessel is with a __________. |
snotter |
barrel hook |
pallet |
spreader |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement
is TRUE about hooks and shackles? |
Shackles are stronger
than hooks of the same diameter. |
Hooks are stronger
than shackles of the same diameter. |
Hooks and shackles
of the same diameter are of equal strength. |
All the above
may be true, depending on the hook's or shackle's overall length. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Mousing a cargo
hook with marline or small line __________. |
protects the hook
from the sling ring |
increases the
lifting capacity of the hook |
prevents the sling
ring from coming out of the hook |
All of the above. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
When a two-leg
sling is used to lift a load, a sling 40 feet long is better than one of
30 feet because the __________. |
sling will be
easier to attach |
load can be lifted
higher |
tension in the
sling legs is less |
sling will be
easier to remove |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
A spreader bar
is used to __________. |
protect the slings |
increase the lifting
capacity |
increase the lifting
radius |
protect the upper
part of a load |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
The best way to
determine if a load is within maximum lift limits is to use __________. |
prior experience
with similar lifts |
a boom angle indicator |
a load weight
indicator |
material invoices
for shipping weights |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Regulations concerning
the stowage, lashing, and securing of timber deck cargoes aboard general
cargo vessels may be found in the __________. |
Load Line Regulations |
Rules and Regulations
for Cargo and Miscellaneous Vessels |
International
Cargo Bureau Regulations |
vessel's classification
society rules and regulations |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Securing cargo
by running timbers from an upper support down to the cargo, either vertically
or at an angle, is called __________. |
shores |
toms |
braces |
dunnage |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
A case received
for shipment is marked as shown in illustration D043DG below. Which of the
following is the portion of the symbol indicated by the letter A? |
the consignee's
marking |
the symbol for
toxic contents |
a stowage sequence
marking |
a stowage mark,
showing the top of the case |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
To determine the
weight capacity of a deck in a cargo hold, you would refer to the __________. |
deadweight scale |
deck capacity
plan |
general arrangement
plan |
cubic capacity
tables |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
A lot of special
cargo of similar cartons, as shown in illustration D042DG below, is to be
loaded. What is the weight of the consignment? |
50 pounds |
1100 pounds |
1200 pounds |
1250 pounds |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
Odorous cargoes
are those that __________. |
are susceptible
to damage by tainting |
are exceptionally
dusty and leave a residue |
are liquid, but
in containers |
give off fumes
that may damage other cargoes |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
Cargo that gives
off fumes that may contaminate other cargo is known as a(n) __________. |
dirty cargo |
toxic cargo |
delicate cargo |
odorous cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which is an example
of cargo damage caused by inherent vice? |
Stevedore damage |
Heating of grain |
Wear and tear |
Sublimation of
chemicals |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
A hygroscopic
cargo is defined as a cargo __________. |
capable of giving
off moisture in the form of a liquid |
capable of absorbing
moisture in the form of a gas |
that is shipped
in a liquid state |
that will ignite
in contact with water |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Damage to cargo
caused by dust is known as __________. |
contamination |
vaporization |
oxidation |
tainting |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Damage to cargo
caused by fumes or vapors from liquids, gases, or solids is known as __________. |
oxidation |
vaporization |
tainting |
contamination |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Cargo that is
highly susceptible to damage by tainting from odorous cargo is called __________. |
dry cargo |
delicate cargo |
immune cargo |
clean cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Which is characteristic
of a "special cargo"? |
It is of high
value or easily pilferable. |
The cargo gives
off toxic gases when heated. |
It must be stowed
on deck. |
Periodic inspection
is required while in transit to prevent spoilage. |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
A "wet cargo"
refers to __________. |
a cargo that will
be damaged if it gets wet |
bulk liquids |
cargoes that will
cause condensation |
liquids in containers |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Cargoes that might
leak from containers are known as __________. |
caustic cargoes |
dirty cargoes |
wet cargoes |
bulk cargoes |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
What is a wet
cargo? |
A canned or bottled
liquid such as beer |
A liquid cargo
carried in the deep tanks |
A cargo particularly
susceptible to damage by moisture |
A cargo that contains
hygroscopic moisture |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which term describes
goods having a stowage factor below 40? |
"Measurement"
cargo |
"Deadweight"
cargo |
"Heavy-lift"
cargo |
"Full-and-down"
cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
A cargo that has
a stowage factor over 40 is known as a __________. |
weight cargo |
hygroscopic cargo |
measurement cargo |
stowage cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
The internal volume
of a cargo hold measured from the inside faces of the cargo battens, the
lower side of the deck beams, and the top of the tank top ceiling is known
as the __________. |
bale cubic |
deadweight space |
gross tonnage |
stowage area |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
The internal volume
of a cargo hold measured from the inside of the side shell, the underside
of the deck, and the tank top is known as the __________. |
gross tonnage |
grain cubic |
measurement space |
deadweight space |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
What is NOT an
advantage of filler cargo? |
Dunnage costs
are reduced. |
Overcarriage is
reduced or eliminated. |
Voids in the cargo
stow are filled. |
The hold space
has maximum utilization. |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
The stowage factor
for a cargo is based upon __________. |
one long metric
ton |
one short ton |
one short metric
ton |
one long ton |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which vessel is
most likely to be loaded full but not down? |
A bulk carrier
loaded with steel |
A break bulk vessel
loaded with palletized cargo |
A bulk carrier
loaded with heavy ore |
A tanker loaded
with heavy grain |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Overcarriage is
best prevented by __________. |
checking the vessel's
load line calculations carefully |
inspection of
the hold at completion of discharge |
assuring heavy
cargo is stowed low in the vessel |
stowing the cargo
which is to be discharged last on the bottom |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
A claim for cargo
damages may be held against the ship owner if such damage is the result
of failure of the ship's officers to __________. |
correct all defects
in the ship's construction |
prevent delays
due to quarantine restrictions |
ensure the fitness
and safety of cargo spaces |
ensure adequate
packaging of the cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Under the Carriage
of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo
when the damage arises out of __________. |
inherent vice |
poor stowage of
cargo in a container |
overloading |
fire caused by
lightning |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Under the Carriage
of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo
when the damage arises from __________. |
lack of ventilation
in transit |
perils of the
sea |
an act of war |
an error in navigation |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Under the Carriage
of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo
when the damage arises from __________. |
unseaworthiness
when sailing |
quarantine delays |
insufficient packing |
mismanagement
of the vessel |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Under the Carriage
of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo
when the damage arises out of __________. |
delays due to
seizure of the vessel |
improper stowage |
fire caused by
fault of the carrier |
strikes or lockouts |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Which is an example
of failure to exercise due diligence? |
Sailing short
of union manning requirements |
Sailing with less
than 30% reserve fuel oil supply |
Overloading |
Sailing short
of being full and down |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
What is an example
of a fundamental objective of cargo stowage? |
Separate wet and
dry cargoes into separate holds. |
Load so the trim
does not exceed 3 feet by the stern. |
Make maximum use
of existing dunnage. |
Prevent overcarriage
by block stowage. |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
"Block stowage"
means __________. |
using separation
cloths to separate different kinds of cargo |
using port marks
on the cargo |
having the cargo
on pallets |
stowing all the
cargo for a port in the same area |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
The temperature
at which water vapor in an atmosphere condenses to a liquid is known as
which of the following? |
the dew point |
the flash point |
the bubble point |
equilibrium |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
When a deck cargo
is secured with chain or wire lashings and grab (pear) links, which statement
is FALSE? |
The lashings should
be inspected each day and any slack taken up. |
The amount of
take-up is limited by the length of the turnbuckle. |
The turnbuckle
should be secured with a stick or lock nuts. |
At the grab (pear)
link, the slack end of chain should be led back and secured to the chain
above the link. |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which material
should NOT be used to secure cargo on deck for a voyage? |
Steel chain |
Fiber rope |
Steel strapping |
Wire rope |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
In the stowage
of deck cargo, "cribbing" is __________. |
placed on deck
to support the cargo |
separation pieces
used to keep cylinders upright and steady |
shims for stowing
baled cargo |
nets placed across
the hatch opening to keep the cargo from falling in the hatch |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
"Cribbing"
is __________. |
cardboard separation
pieces placed between deck loads to prevent chafing |
a crate in which
a deck cargo is packaged |
the chains and
shackles used to secure a deck cargo |
wooden blocks
or dunnage placed between a deck load and the deck |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
A vessel has an
amidships superstructure. Which location would be most suitable for main
deck stowage of vehicles? |
On top of the
aftermost hatch on the vessel |
Beside the hatches,
forward of the midships house |
On top of No.1
hatch |
On top of the
hatch immediately aft of the midships house |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
What does it mean
to "shore up" the main deck for the stowage of deck cargo? |
weld pad eyes
on deck in proper position to secure the cargo |
strengthen the
main deck by placing pillars underneath it in the tween-decks |
package the cargo
in wooden crates so it will not damage the deck |
distribute the
weight of the cargo by placing fore-and-aft planks on the main deck |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
It is possible,
and sometimes necessary, to strengthen the deck of a vessel for carriage
of deck cargo by __________. |
erecting vertical
pillars under the deck to support the cargo |
welding steel "feet"
to the deck, on which the cargo is placed |
building a stage
on which to place the cargo |
placing bunker
on the deck |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which cargoes
require strips of common building lathe as dunnage in order to carry away
heat generated by the cargo? |
Paper products
packaged in rolls |
Refrigerated fruit
that is ripening |
Canned soups packaged
in crates |
Cardboard cartons
of shoes |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Battens are fitted
in cargo holds across the frames of the vessel from the turn of the bilge
upward. The purpose of these cargo battens is __________. |
to provide fittings
to which cargo lashings may be secured |
for securing a
snatch block when snaking cargo into the wings of the hold |
to prevent cargo
from coming in contact with the vessel's frames or shell plating |
to support the
dunnage floors which are laid down between tiers of cargo |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
What is the main
purpose of dunnage? |
To provide ventilation
and drainage for cargo |
To secure the
tarpaulins in place |
To act as ballast
for light vessels |
To support weakened
bulkheads |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
A shore is a piece
of securing dunnage that __________. |
is placed on the
deck under the cargo to distribute its weight evenly |
runs from a low
supporting level up to the cargo at an angle |
is run horizontally
from a support to the cargo |
is also known
as a "distance piece" |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
Dunnage may be
used to protect a cargo from loss or damage by __________. |
inherent vice |
tainting |
hygroscopic absorption |
ship's sweat |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
In preparation
for receiving chilled reefer cargo, the reefer space has been precooled
for over twenty-four hours. Loading may begin when the space has been cooled
to a temperature between __________. |
-10°F (-23°C)
and +10°F (-12°C) |
12°F (-11°C) and
20°F (-7°C) |
28°F (-2°C) and
40°F ( 4°C) |
42°F (6°C) and
55°F (13°C) |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
A survey of refrigerated
cargo, to certify that proper methods of stowage were utilized, can be conducted
by the __________. |
American Bureau
of Shipping |
National Cargo
Bureau |
U.S. Coast Guard |
Occupational Safety
and Health Administration |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which organization
would conduct a survey of the insulation in a reefer compartment prior to
loading cargo? |
OSHA |
American Bureau
of Shipping |
U.S. Customs Service |
National Cargo
Bureau |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
If reefer spaces
are not properly cleaned prior to loading cargo, it will most likely cause
__________. |
malfunction of
the refrigeration equipment |
contamination
of the insulation in the space |
mold to develop
on commodities |
All of the above. |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
If you are loading
fruit in reefer spaces and you notice that the fruit is beginning to mold,
you should __________. |
discharge CO2
into the compartment after loading |
refuse to carry
the cargo |
write up exceptions
on the cargo |
carry the cargo
at a cooler temperature than originally planned |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
When fruit is
carried as refrigerated cargo, the most frequent cause of its being infected
at the discharge port is __________. |
leaks in the ship's
refrigeration system |
carriage at the
wrong temperature |
improper pre-cooling
of the cargo spaces |
improper cleaning
of the cargo spaces |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Which can be prevented
only by segregating two lots of cargo into separate holds? |
Contamination
of a food cargo by an odorous cargo |
Contamination
of a clean cargo by a dirty cargo |
Contamination
of dry cargo by a wet cargo |
Overcarriage,
overstowage, and short landing |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Segregation of
cargoes refers to __________. |
listing the cargoes
in order of their flammability |
separating cargoes
so that the inherent characteristics of one cannot damage the other |
separating cargoes
by destination |
classifying cargoes
according to their toxicity |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Certain cargoes
must be segregated because of their __________. |
inherent characteristics |
destination |
weight |
danger to humans |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Keeping certain
cargoes separated because of their inherent characteristics is known as
__________. |
overstowage |
segregation |
spot loading |
cargo typing |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Spontaneous heating
of coal rapidly accelerates at the approximate minimum temperature of __________. |
100°F |
111°F |
88°F |
119°F |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
While loading
cargo, a white trimming light on the starboard side comes on. This indicates
that __________. |
the vessel has
a list of about 1` to starboard |
the chutes should
be directed to the starboard side |
a severe list
to starboard has developed and all loading should cease |
the chutes in
No. 1 hold should be directed to the starboard side |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Before loading
bulk grain, bilge wells must be covered to __________. |
permit rapid flow
of water to the bilge wells |
prevent cargo
sifting into the bilge wells |
prevent oil, water,
or other liquid from reaching the cargo |
add strength to
the bilge well strainer |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
The certificate
of loading required by each vessel carrying grain in bulk is issued by the
__________. |
owner or charterer
of the vessel |
shipper of the
cargo |
National Cargo
Bureau |
American Bureau
of Shipping |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
What is usually
NOT required in preparing a hold for reception of a bulk grain cargo? |
Remove residue
of previous cargo. |
Spray or fumigate
any insect colonies. |
Remove loose rust
and scale. |
Steam clean areas
obstructed by structural members. |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
When loading a
cargo of taconite, proper sequencing of loading by hatch number is necessary
to __________. |
control list |
prevent excessive
longitudinal stresses |
provide the proper
trim |
prevent negative
stability from developing |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
A list signal
of one white light indicates that the vessel is __________. |
listing about
1° to the side the light is displayed on |
listing over 5°
with the light displayed on the high side |
on an even keel |
listing, and the
chutes should be directed to the side where the light is displayed |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Which statement
about shipping coal is TRUE? |
Anthracite will
generate more methane than bituminous coal. |
Coal should not
be shipped while wet. |
Coal should be
surface ventilated to remove methane gas. |
The methane gas
generated by coal will react with moisture on the ship's structure and accelerate
corrosion. |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
What is NOT a
problem when carrying coal? |
The requirement
for through-ventilation |
The corrosion
some types of coal will cause to the ship |
Generation of
methane gas |
Spontaneous heating |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
While loading
a cargo of grain, your vessel develops a list to starboard. This will be
corrected by __________. |
the list man changing
the discharge location of the chutes |
allowing the grain
to level itself as the hold fills to the spar deck level |
trimming the final
loading cone by hand |
the compensating
tanks on the high side |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Atmospheres laden
with coal dust or grain dust caused by loading these cargoes __________. |
may be explosive
in some concentrations |
are subject to
spontaneous combustion |
require loading
operations to be shut down until the atmosphere clears |
are toxic to human
life |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Which statement
about the carriage of coal is true? |
Freshly worked
coal is more dangerous than weathered coal. |
Wet coal is more
liable to spontaneous heating than dry coal. |
Coal absorbs nitrogen
from the air which reacts with methane and causes spontaneous heating. |
Most problems
with spontaneous combustion will occur within 72 hours of loading and after
that the risk decreases. |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Which statement
about the ventilation of bulk coal is TRUE? |
Coal should not
be ventilated; all oxygen should be excluded from the cargo. |
Coal should be
through-ventilated to remove methane and reduce the heat of spontaneous
combustion. |
Coal should be
surface ventilated only. |
Coal should be
ventilated only if temperatures in the center of the cargo exceed 125°F. |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
When considering
a vessel's stability, which spaces in a general cargo vessel are the best
locations for the carriage of bulk grain? |
Lower holds |
Lower holds at
the ends of the vessel |
Deep tanks |
'Tween-decks |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Ship's officers
should check every cargo compartment after it is filled with bulk grain
to ensure __________. |
all void spaces
are filled |
the correct grade
of cargo has been loaded |
the heavier grade
is in the lower hold |
all lighting circuits
are energized |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Bulk cargo refers
to __________. |
homogeneous cargo
not enclosed in a container |
cargo which occupies
a large volume of space |
cargo which is
very dense |
cargo which requires
refrigeration |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
When carrying
a full or nearly full load of bulk ore in a general cargo type vessel which
has engine spaces amidships, the cargo in each hold should be trimmed so
that the bulk of the cargo lies __________. |
along the centerline |
toward the after
bulkhead of the forward holds and the forward bulkhead of the after holds |
toward the forward
bulkhead of the forward holds and toward the after bulkhead of the after
holds |
toward the after
bulkhead of all holds |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Which statement
is correct concerning the carriage of coal in bulk? |
Dunnage should
be placed against ship's sides and around stanchions. |
Coal should be
vented with surface ventilation only. |
Through ventilation,
as well as surface ventilation, should be provided whenever possible. |
Because of its
inherent vice, coal should not be loaded wet. |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Prior to being
able to sail, each vessel that carries grain in bulk must have a certificate
of loading issued by the __________. |
National Cargo
Bureau |
American Bureau
of Shipping |
U.S. Salvage |
Lloyds of London |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
Who would normally
certify that all preparations have been made and all regulations observed
prior to loading a cargo of bulk grain? |
American Bureau
of Shipping |
Master of the
vessel |
National Cargo
Bureau |
U.S. Coast Guard |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
Which agency issues
a certificate of loading that is evidence that the rules and regulations
concerning bulk grain cargoes have been observed? |
Public Health
Service |
American Bureau
of Shipping |
Department of
Agriculture |
National Cargo
Bureau |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
When referring
to dry bulk cargoes, the term "flow state" __________. |
relates to the
suitability of loading a cargo by flowing down inclined chutes |
refers to the
saturation of a dry bulk product with water to the point where it acts as
a liquid |
relates to the
minimum granule size of a particular product where it will flow like a liquid
at an angle of 30° |
designates the
state of a commodity when the ship is heeled past the angle of repose |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
A Great Lakes
bulk ore vessel would use an "Iron Deckhand" to assist in __________. |
making the vessel
fast to a dock |
steering the vessel |
unloading bulk
cargo |
removing hatch
covers |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
What is the meaning
of the term tare weight? |
Weight of a container |
Pounds of force
necessary to damage a container |
Total weight of
a container and contents |
Weight of the
contents of a container |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are on a container
vessel. What concerning the handling and stowage of containerized hazardous
materials is TRUE? |
A portable cargo
tank containing a cryogenic liquid must be shipped on deck unless forced
ventilation is provided to the tween-decks. |
A portable cargo
tank of a flammable, cryogenic liquid may not be in transit for a period
exceeding its marked rated holding time unless the liquid is inhibited. |
Open-bed containers
may be used to transport hazardous materials if the cargo is properly secured. |
A container loaded
with packages of tear gas would display a placard reading "Irritant." |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
A high cube container
is designed specifically to __________. |
protect fragile
cargoes |
stow cargoes with
concentrated weights such as machinery |
carry low density
cargoes |
carry cargoes
of very low stowage factors |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
How long is the
standard container used to measure equivalent units? |
10 feet (3 meters) |
20 feet (6 meters) |
35 feet (11 meters) |
40 feet (12 meters) |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are in a tropical
port. The refrigeration machinery on a container loaded with air-cooled
fruit fails. It cannot be repaired for 18 to 24 hours. Which step should
you take to reduce the temperature rise and spoilage of the fruit? |
Discharge a cylinder
of nitrogen into the container |
Spread ice over
the top layer and in any voids within the container |
Seal any ventilation
openings and add dry ice |
Shade the container
and periodically hose it down |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement
concerning the carriage of containers is TRUE? |
With tiered containers,
a 40-foot container may be stowed on top of two 20-foot containers. |
When stowed on
deck of a break bulk ship, the bottom of the container must be evenly supported
throughout. |
The Chief Mate
and Master of a container ship should have the proposed stowage plan ready
for the stevedore upon arrival in port. |
Deck load calculations
must take into account the square footage of the entire container bottom. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
When loading a
container vessel, the operation is basically that of vertical loading. The
important factors to be considered when loading containers are the port
of discharge, and which of the following? |
weight, and refrigeration |
crushability,
and inherent vice |
sweat, and weight |
available dunnage,
and chocking |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Because of the
arrangement of the cell guides, the MOST important factor while loading
containers is the __________. |
list of the vessel |
size of the shoreside
crane |
weight of the
container |
contents of the
container |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
When loading containers
into the cell guides in the hold of a container ship, which statement is
TRUE? |
The container
must be locked into the cell guide. |
Containers must
have vertical lashings if they do not have twist lock securing. |
No further securing
is usually required. |
All containers
must have vertical and horizontal lashings. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What is NOT an
advantage of containership operations over conventional break-bulk operations? |
Flexibility of
operation |
Greater operational
safety |
Lower stevedoring
costs |
Reduction of cargo
damage |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
Under normal weather
and sea conditions when securing a stack of containers with twist locks,
lashings are required when the tier exceeds what height? |
Lashings are always
required |
Two containers |
One container |
Three containers |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The lashings on
a stack of containers with interlocking fittings restrain the forces that
cause __________. |
buckling |
toppling |
crushing |
racking |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Under normal weather
and sea conditions when securing a stack of containers with non-locking
fittings, lashings are required when the tier exceeds what height? |
Lashings are always
required |
One container |
Two containers |
Three containers |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which statement
concerning sweat damage in containers is TRUE? |
In general, containerized
hygroscopic cargoes are the only ones subject to sweat damage. |
Sweat damage in
containers is unusual due to the small enclosed volume of air. |
Sweat damage is
not a problem except in insulated and refrigerated containers. |
Containers should
be ventilated, dehumidified, or the contents physically protected against
sweat damage. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
A high cube container
would most likely be used to stow __________. |
household appliances |
heavy industrial
machinery |
fragile cargoes |
dense bulk cargoes |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
A half-height
container is used __________. |
to double the
stowage capacity of the vessel |
when stowage space
is limited |
to carry cargoes
of low density |
to carry cargoes
such as steel products or drums |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What is NOT a
securing system used on a containership? |
Stacking system |
Buttress system |
Lashing system |
Locking system |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
With the buttress
securing system, containers of different heights must be stowed __________. |
on the bottom
tier on deck |
on the top tier |
in the hold |
next to the buttress
tower |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
What provides
the majority of strength to an aluminum-sided container? |
Framework, primarily
the corner posts |
Corner fittings |
Framework and
siding acting as a girder |
Aluminum side
and end panels |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
The weight of
the container and its contents is supported on deck by what part(s)? |
Bottom flooring,
side, and end rails |
Bottom, side,
and end rails |
Bottom flooring
only |
Four lower corner
castings |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
The securing systems
for containers were developed to prevent container movement during which
ship motion? |
Roll |
Yaw |
Sway |
Surge |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
What purpose does
a bridge fitting serve when lashing containers? |
Ties a container
stack to the deck |
Restrains the
container against horizontal motion |
Restrains racking
loads |
Ties a container
to the container below it |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which statement
concerning the lashings of containers with solid bar or wire rope lashings
is TRUE? |
Solid bars should
be used for lashing the first tier only, with wire lashings on the higher
tier(s). |
Stack heights
may be increased when using a solid bar lashing. |
Stack heights
should be reduced when using a solid bar lashing. |
Stack weights
should be less when using a solid bar lashing as compared to a wire lashing. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
On the fully containerized
ship, approximately one-third or more of the cargo is on deck above the
rolling center. Top stowed containers are subject to __________. |
accelerations
less than on conventional vessels |
accelerations
the same as on conventional vessels |
accelerations
greater than on conventional vessels |
no accelerations |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
When commencing
cargo operations on a container ship, one cell at a hatch is generally discharged
completely (to the bottom of the ship) before removing any containers from
the adjoining cells to __________. |
allow longshoremen
easy access to the hatch |
improve stability
during cargo operations |
remove an existing
list that would slow down cargo operations |
initiate loading
in conjunction with unloading at the hatch |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
You are on a containership.
Which statement about the stowage of hazardous materials in containers is
TRUE? |
A refrigerated
container with a fuel tank containing a flammable liquid must be stowed
on deck. |
All packages within
a container must be marked "This End Up" to indicate the correct
stowage. |
Packages of liquids
within a container should be stowed on top of packages of solids to prevent
crushing. |
The containers
provide automatic segregation of hazardous materials except for class A
explosives. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are on a containership.
The cargo includes a container of small arms ammunition, a container of
lead-acid storage batteries and a container of methyl acetylene bottles.
Which statement is TRUE? |
The ammunition
must be separated from the methyl acetylene by at least one hold. |
The storage batteries
must be stowed on deck away from the ammunition. |
The storage batteries
must be at least ten horizontal feet away from the methyl acetylene. |
No separation
is required because freight containers are exempted. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
A sling is rigged
on a piece of pipe weighing 1000 lbs. The angle between the sling legs is
140° and the legs are of equal length. What stress is exerted on each sling
leg when the pipe is lifted? |
1318 lbs. |
1366 lbs. |
1414 lbs. |
1462 lbs. |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
The lower hold
of your vessel has a bale capacity of 60,000 cubic feet. How many tons of
cotton in bales having a stowage factor of 85 can be stowed in the lower
hold, assuming a broken stowage factor of 20%? |
141 |
565 |
706 |
847 |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
The lower hold
of your vessel has a bale cubic of 52,000 cu. ft. You will load a cargo
of cases, each weighing 380 lbs. and measuring 3 ft. x 2 ft. x 2 ft. The
estimated broken stowage is 15%. How many tons of cases can be loaded? |
137 tons |
161 tons |
625 tons |
969 tons |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
The amount of
strain on each runner of a married fall system lifting 2000 lbs. when the
angle made by the legs is 90° would be __________. |
1000 lbs. |
1154 lbs. |
1414 lbs. |
2000 lbs. |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
A lot of special
cargo as shown in illustration D042DG below is to be loaded aboard your
vessel. You examine one of the cartons of the lot shown. Assuming no broken
stowage what is the total cubic space the consignment will occupy? |
51 cubic feet
(1.5 cubic meters) |
58 cubic feet
(1.7 cubic meters) |
336 cubic feet
(10 cubic meters) |
700 cubic feet
(21 cubic meters) |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Ten triangular
piles of piping on the pier are to be loaded - each pile has a 20 foot base,
is 15 feet high and 30 feet long. If the breadth of the hold is 60 feet
and the piping is to be stowed fore and aft in a 30 foot space, how high
will it stow? |
16.6 feet |
25.0 feet |
50.0 feet |
75.0 feet |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
The deck load
capacity of a compartment into which you intend to load a cargo of soft
brick is 380 lbs. per sq. ft. The stowage factor of the brick is 21.3. Disregarding
broken stowage, what is the maximum height the brick may be stacked without
endangering the structure? |
1.7 feet |
3.6 feet |
5.0 feet |
7.1 feet |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
A case received
for shipment has the markings shown in illustration D043DG below. Each carton
measures 13" X 15" X 23". What is the total cubic capacity
the entire consignment will occupy if you assume 10% broken stowage? |
779 cubic feet
(22 cubic meters) |
857 cubic feet
(24 cubic meters) |
1047 cubic feet
(30 cubic meters) |
112,125 cubic
feet (3173 cubic meters) |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
A lot of special
cargo of similar cartons as shown in illustration D042DG below is to be
loaded. What is the total cubic capacity the consignment will occupy if
you assume 10% broken stowage? |
51 cubic feet
(1.5 cubic meters) |
58 cubic feet
(1.7 cubic meters) |
65 cubic feet
(2.0 cubic meters) |
336 cubic feet
(10 cubic meters) |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
You are lifting
a 3 ton weight with a single whip rove on a swinging boom set at an angle
of 60° to the horizontal. Use the formula for the size of a shackle with
a safe working load and determine the minimum size shackle that should be
used to secure the head block to the boom. |
1 1/8 inch |
1 1/2 inch |
1 3/4 inch |
2 inch |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
A case received
for shipment has the markings shown in illustration D043DG below. Each carton
measures 13" X 15" X 23". Ignoring broken stowage what is
the total cubic capacity the entire consignment will occupy? |
779 cubic feet
(22 cubic meters) |
992 cubic feet
(28 cubic meters) |
112,125 cubic
feet (3173 cubic meters) |
1,047 cubic feet
(30 cubic meters) |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
Twenty-five hundred
(2500) tons of iron ore with a stowage factor of 17 is stowed in a cargo
hold. The dimensions of the hold are 55 feet long and 45 feet wide and 35
feet high. What is the height of the center of gravity of the ore above
the bottom of the hold? |
7.8 feet |
8.6 feet |
17.1 feet |
34.6 feet |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
You are loading
a cargo of cases into a hold which has a bale cubic of 44,000. The cargo
consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated broken stowage
is 15%. What is the maximum number of cases which can be stowed in the hold? |
3096 |
3116 |
3136 |
3156 |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
A vessel has a
deadweight carrying capacity of 10,500 tons. Fuel, water, and stores require
1500 tons. The cubic capacity is 500,000 cubic feet. Which cargo will put
her full and down? |
Rolls of barbed
wire, SF 55.5 |
Slabs of zinc,
SF 7.1 |
Barrels of tallow,
SF 66.8 |
Bundles of rubber,
SF 140.2 |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
You are lifting
a 5-ton weight with a single whip rove on a swinging boom set at an angle
of 20° to the horizontal. Use the formula for the size of a shackle with
a safe working load and determine the minimum size shackle that should be
used to secure the head block to the boom. |
1 3/8 inch |
1 1/2 inch |
1 3/4 inch |
1 7/8 inch |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
If two falls are
attached to lift a one-ton load, what angle between the falls will result
in the stress on each fall being equal to the load being lifted? |
60° |
75° |
120° |
150° |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
You are lifting
a 5-ton weight with a single whip rove on a swinging boom set at an angle
of 60° to the horizontal. Use the formula for the size of a shackle with
a safe working load and determine the minimum size shackle that should be
used to secure the head block to the boom? |
1 inch |
1 3/8 inch |
1 1/2 inch |
1 7/8 inch |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
You are going
to load bales of wool having a stowage factor of 100 in #3 lower hold which
has a bale cubic of 72,000. How many tons of the wool can be stowed in the
compartment, assuming 10% broken stowage? |
493 |
577 |
602 |
648 |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
Two falls are
supporting a 1.5 ton load. The port fall is at an angle of 40° from the
vertical. The starboard fall is at an angle of 70° from the vertical. What
is the stress on each fall? |
Port 1.5 tons,
starboard 1.0 tons |
Port 1.5 tons,
starboard 1.5 tons |
Port 1.7 tons,
starboard 1.3 tons |
Port 1.7 tons,
starboard 2.0 tons |
Cargo Stowage
and Security, including Cargo Gear |
|
A |
You are lifting
a 3-ton weight with a single whip rove on a swinging boom set at an angle
20° to the horizontal. Use the formula for the size of a shackle with a
safe working load and determine the minimum size shackle that should be
used to secure the head block to the boom. |
1 3/8 inch |
1 1/2 inch |
1 5/8 inch |
1 3/4 inch |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
You are going
to load bales of wool having a stowage factor of 96 in #3 lower hold which
has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment? |
577 |
602 |
654 |
875 |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
You are going
to load bales of wool having a stowage factor of 100 in #3 lower hold which
has a bale cubic of 62,000. How many tons of the wool can be stowed in the
compartment, assuming 10% broken stowage? |
520 |
654 |
558 |
620 |
Cargo Stowage
and Security, including Cargo Gear |
|
C |
You must load
as much of a large shipment of case goods as possible into a hold which
has 24,000 cubic feet of space. Each case measures 2 feet by 2-1/2 feet
by 4 feet and weights 448 pounds. If you allow for broken stowage of 15%,
how many long tons can be loaded? |
190 |
233 |
204 |
280 |
Cargo Stowage
and Security, including Cargo Gear |
|
B |
You must load
as much of a large shipment of case goods as possible into a hold which
has 24,400 cubic feet of space. Each case measures 2 feet by 2 feet by 4
feet and weighs 448 pounds. If you allow for broken stowage of 15%, how
many long tons can be loaded? |
54 |
259 |
207 |
351 |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
There is a large
shipment of case goods available to be loaded on your vessel. You are to
load as many tons as possible in a hold which has 32,300 cubic feet left
unfilled by cargo. Each case measures 2-feet high by 2-feet wide by 4-feet
long and weighs 500 pounds. If you allow a broken stowage allowance of 10%
of the 32,300 feet, what is the nearest whole number of tons which may be
loaded? |
324 tons |
360 tons |
363 tons |
406 tons |
Cargo Stowage
and Security, including Cargo Gear |
|
D |
According to the
Chemical Data Guide, which reactive group(s) is/are not compatible with
the products polybutene and o-xylene? |
Phenols, cresols |
Amides |
Alcohols, glycols |
Nitric acid |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
You are planning
the stowage of two incompatible products on your multiple-product tankship.
What will NOT provide the minimum required segregation? |
Empty tank |
Solid (non-intercostal)
bulkhead |
Tank containing
a third cargo compatible with the other two |
Diagonally adjacent
tanks |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
You are on a multiple
product tankship and carrying methyl acrylate, diethanolamine, and triethylamine.
Which statement is TRUE? |
The heating coils
to the cargo tank loaded with methyl acrylate must be blanked off. |
Valve components
made of aluminum, copper, or zinc may not be in contact with the cargoes. |
Each crew member
working on deck must have an emergency escape breathing apparatus. |
Methyl acrylate
may be loaded in a tank adjacent to diethanolamine but not triethylamine. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You have orders
to load cargoes of carbon disulfide, diisopropylamine and pyridine on your
multi-product tankship. Which statement is TRUE? |
A tank of carbon
disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. |
Pyridine and diisopropylamine
may be carried in tanks having a common header vent. |
Carbon disulfide
may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS.
1 and 2 wing tanks. |
Diisopropylamine
must be separated from carbon disulfide by two barriers (cofferdams, voids,
empty tanks, etc.) |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are on a multiple-product
chemical tanker. The loading plan includes cargoes of diethylenetriamine
and formamide. Which statement concerning the stowage of these cargoes is
TRUE? |
The cargoes must
have individual venting systems. |
The valves in
common piping systems must be chained closed and locked. |
They must be separated
by a void space or empty tank. |
The minimum segregation
required is a single bulkhead. |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
You are carrying
cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multiple-product
tankship. Which of the following statements is TRUE? |
Each of the cargoes
must be segregated from the other by at least two barriers. |
Aluminum, copper,
and zinc are prohibited in all valve parts in contact with these cargoes. |
The minimum protective
clothing required for taking samples of phosphoric acid is goggles or a
face shield. |
The required warning
sign must have the legend "cancer hazard" added to it. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
You have orders
to load cargoes of carbon disulfide, diisopropylamine and pyridine on your
multi-product tankship. Which statement is true? |
A tank of diisopropylamine
may be used to separate a tank of pyridine from a tank of carbon disulfide. |
Pyridine and diisopropylamine
may not be carried in tanks having a common header vent. |
Carbon disulfide
may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS.
1 and 2 wing tanks. |
Pyridine must
be separated from carbon disulfide by two barriers (cofferdams, voids, empty
tanks, etc.). |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are on a multiple-product
chemical tanker and will carry cargoes of ethanolamine, methyl acrylate,
and glycerine. Which statement is true? |
Methyl acrylate
and ethanolamine are compatible but both must be segregated from glycerine. |
Glycerine may
be stowed adjacent to methyl acrylate but must be segregated from ethanolamine. |
Glycerine is compatible
with both of the other cargoes. |
All of these cargoes
are mutually incompatible. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are on a multiple-product
chemical tanker and will carry cargoes of butyric acid, propylene oxide,
and octyl alcohol. Which statement is true? |
All of these cargoes
are compatible. |
Butyric acid is
incompatible with octyl alcohol but not propylene oxide. |
Propylene oxide
may not be stowed in a tank adjacent to butyric acid. |
Octyl alcohol
is incompatible with both butyric acid and propylene oxide. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are on a multiple-product
chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine.
Which of the following is true? |
All of these cargoes
are mutually compatible. |
Propanolamine
is compatible with allyl alcohol but must be segregated from benzene. |
Benzene may not
be carried in a tank adjacent to either of the other two cargoes. |
Allyl alcohol
is incompatible with propanolamine but both are compatible with benzene. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are on a multiple-product
chemical tanker and will carry cargoes of isophorone, ethylenediamine, and
creosote. Which of the following is TRUE? |
Isophorone is
incompatible with ethylenediamine but may be stowed adjacent to creosote. |
All of these cargoes
are incompatible. |
Ethylenediamine
is compatible with isophorone but both are incompatible with creosote. |
All of these cargoes
are compatible. |
Cargo Stowage
and Security, Including Cargo Gear |
|
B |
You are on a multiple-product
tankship and scheduled to load a cargo classed as an aromatic amine. This
cargo is incompatible with cargoes classed as __________. |
phenols |
organic anhydrides |
esters |
ketones |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
Which product(s)
is(are) compatible with the product ethylene cyanohydrin? |
Sulfuric acid |
Isocyanates |
Ammonia |
Nitric acid |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
Which spaces are
required to be segregated from cargo tanks carrying grades A, B, C, or D
cargoes? |
Pump rooms |
Cofferdams |
Enclosed deck
spaces |
Navigation spaces |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
Which statement
is NOT true concerning the stowage of class 1 explosives? |
Class 1.4 explosives
may not be stowed in the same hold with class 6.1 poisons. |
Class 1.4 explosives
must be "separated from" a stow of class 5.1 oxidizing materials. |
Class 1.4 explosives
must be "separated from" a stow of class 8 corrosive materials. |
Class 1.1 explosives
may be stowed with class 9 dangerous substances |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You receive a
package, for shipment aboard your vessel, containing Class 1 explosives.
The package is damp, moldy and stained. You must __________. |
repair or replace
the packaging before stowage |
note an exception
on the Bill of Lading |
seek the shipper's
advice with regard to withdrawal, repair, or replacement |
have the U.S.C.G.
Captain of the Port approve the shipment |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You receive a
package, for shipment aboard your vessel, containing Class 1 explosives.
The package is damp, moldy and stained. You must __________. |
replace the packaging
material before stowage |
seek the approval
of the USCG Captain of the Port |
refuse to accept
the package |
note the exception(s)
on the Bill of Lading |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You will load
class 1.2 commercial explosives and need to construct a portable magazine.
The magazine MUST __________. |
have a hinged
cover |
be fastened with
nails or screws |
be made of metal |
be elevated with
skids 10cm (3.9 inches) above the deck |
Cargo Stowage
and Security, Including Cargo Gear |
|
A |
You are ordering
ship's stores. Which statement is TRUE? |
A portable container
of a flammable liquid used as fuel for portable auxiliary equipment must
be stowed in a paint locker or at a designated open location. |
Acetylene may
be in a ship's storeroom in quantities not exceeding 6000 cubic feet. |
Stores such as
line, rags, mattresses, linens, etc. must be treated to be fire retardant. |
Stores certified
for use on uninspected vessels may be identified by the certification number
used by Underwriter's Laboratories. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
You are ordering
ship's stores. Which statement is TRUE? |
Cylinders containing
compressed gasses must be constructed and tested in accordance with the
Bureau of Standards. |
All distress flares
when received must be stored in the portable magazine chest. |
All stores of
line, rags, linens and other similar type stores must be certified by UL
as being fire retardant. |
Up to five gallons
of a flammable liquid may be stowed in the engine room. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are ordering
ships' stores that are NOT consumer commodities. Which statement is TRUE? |
Replacement CO2
cylinders for the fixed fire fighting system must have been tested within
8 years of receipt. |
Cartridges for
the line throwing appliance must be stored in the portable magazine chest
after receipt. |
The label of a
hazardous ships' store must include instructions for safe stowage. |
All flammable
liquids must be stowed in the paint locker or specially constructed integral
tanks. |
Cargo Stowage
and Security, Including Cargo Gear |
|
C |
You are ordering
ships' stores. Which statement is TRUE? |
Aerosol cans of
engine starting fluid must be stowed in either the paint locker or portable
magazine after receipt. |
Drugs and medicines
must be stowed in accordance with the directives of the Food and Drug Administration. |
Properly labeled
consumer commodities need not be labeled in accordance with Title 46 CFR. |
Flammable ship's
stores must be certified for use on inspected vessels by Underwriter's Laboratories. |
Cargo Stowage
and Security, Including Cargo Gear |
|
D |
On a vessel proceeding
from a very cold to a warm climate with a cargo of a non-hygroscopic nature
in the holds, which is TRUE? |
Danger of heavy
ship sweat exists; constant and vigorous ventilation is required. |
There is little
danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation
is needed. |
The possibility
of any sweat problem, either cargo or ship, is remote. |
There is danger
of heavy cargo sweat if outside air is introduced by ventilation. |
Cargo Ventilation |
|
B |
Your vessel is
going from a warm climate to a cold climate with a hygroscopic cargo. Which
statement is TRUE? |
There is little
danger of any sweat problem. |
You must ventilate
constantly and vigorously to combat ship sweat. |
There is danger
of heavy cargo sweat if you ventilate. |
You should ventilate;
there is little danger of ship sweat, but a possibility of cargo sweat. |
Cargo Ventilation |
|
C |
Your vessel is
loaded with non-hygroscopic cargoes and is going from a cold to a warm climate.
You should __________. |
start the exhaust
blowers |
ventilate the
cargo holds |
not ventilate
the cargo holds |
start the intake
blowers |
Cargo Ventilation |
|
D |
Hygroscopic cargoes
should be ventilated when __________. |
the outside dew
point is 60°F (16°C) and the cargo temperature is 54°F (12°C) |
the dew point
of the outside air is greater than the dew point of the air in the hold |
the dew point
of the air in the hold is very low |
going from a warm
to a cold climate |
Cargo Ventilation |
|
C |
Sweat damage will
occur in a cargo hold containing cased machinery when the __________. |
dew point of the
outside air is lower than the temperature of the cargo |
air temperature
of the hold is higher than the temperature of the outside air |
dew point of the
hold is higher than the temperature of the ship's skin |
outside air temperature
is colder than the temperature of the cargo |
Cargo Ventilation |
|
C |
Sweat damage in
a hatch full of canned goods in cartons will occur when the __________. |
air temperature
is lower than the temperature of the cargo |
air temperature
is higher than the temperature of the cargo |
dew point is higher
than the temperature of the cargo |
dew point is lower
than the temperature of the cargo |
Cargo Ventilation |
|
C |
The moisture equilibrium
chart can be used to determine the __________. |
absolute moisture
content of the air surrounding a hygroscopic cargo when moisture equilibrium
exists |
enthalpy of the
air surrounding a hydroscopic cargo which is in moisture equilibrium with
the cargo |
dew point temperature
that the air surrounding a hygroscopic commodity will have when in moisture
equilibrium with that commodity |
temperature at
which moisture equilibrium will occur in a cargo hold containing a hygroscopic
cargo |
Cargo Ventilation |
|
B |
Which data can
NOT be found on a moisture equilibrium chart? |
Moisture content |
Wet bulb temperature |
Vapor pressure |
Dry bulb temperature |
Cargo Ventilation |
|
A |
When the dew point
of the outside air is higher than the dew point of the air in the cargo
hold, you should __________. |
not ventilate
the cargo holds |
energize the exhaust
blowers |
energize the intake
blowers |
ventilate the
cargo holds |
Cargo Ventilation |
|
D |
When the dew point
of the outside air is lower than or equal to the dew point of the air in
the cargo hold, you should __________. |
secure all ventilation |
shut down the
intake blowers |
shut down the
exhaust blowers |
ventilate the
cargo holds |
Cargo Ventilation |
|
D |
Which factor is
MOST important in preventing sweat damage within a cargo hold? |
Dew point of the
outside atmosphere |
Outside air temperature |
Temperature of
the cargo |
Dew point of the
cargo hold |
Cargo Ventilation |
|
C |
Given a dry bulb
temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is
__________. illustration D008DG |
47.0°F |
51.5°F |
59.0°F |
70.0°F |
Cargo Ventilation |
|
B |
A heated bulkhead
has the effect on a hygroscopic commodity of __________. |
lowering the dew
point of the air |
raising the vapor
pressure of the commodity |
causing moisture
to accumulate against the bulkhead |
lowering the vapor
pressure of the commodity |
Cargo Ventilation |
|
D |
Using the available
references determine the dew point when the dry bulb temperature is 74°F
(23°C) and the wet bulb temperature is 60°F (16°C). illustration D008DG |
14°F |
20°F |
28°F |
50°F |
Cargo Ventilation
- Problems |
|
D |
Using the available
references, if the dry bulb temperature is 55°F (13°C) and the wet bulb
is 50°F (10°C), what is the relative humidity? illustration D008DG |
55 (%) |
70 (%) |
75 (%) |
82 (%) |
Cargo Ventilation
- Problems |
|
D |
Using the available
references, if the dry bulb temperature is 58° and the wet bulb temperature
is 53°, what is the relative humidity in a cargo hold? illustration D008DG |
56 (%) |
61 (%) |
66 (%) |
72 (%) |
Cargo Ventilation
- Problems |
|
C |
Using the available
references, if the dry bulb temperature is 68°and the wet bulb temperature
is 65°, what is the relative humidity in a cargo hold? illustration D008DG |
66 (%) |
74 (%) |
85 (%) |
90 (%) |
Cargo Ventilation
- Problems |
|
A |
Using the available
references, if the dry bulb temperature is 76° and the wet bulb temperature
is 59°, what is the relative humidity in a cargo hold? illustration D008DG |
35 (%) |
47 (%) |
76 (%) |
79 (%) |
Cargo Ventilation
- Problems |
|
A |
Using the available
references, if the dry bulb temperature is 76° and the wet bulb temperature
is 58°, what is the relative humidity in a cargo hold? illustration D008DG |
31 (%) |
47 (%) |
61 (%) |
76 (%) |
Cargo Ventilation
- Problems |
|
A |
Using the available
references, if the dry bulb temperature is 77° and the wet bulb temperature
is 69°, what is the relative humidity in a cargo hold? illustration D008DG |
67 (%) |
70 (%) |
77 (%) |
81 (%) |
Cargo Ventilation
- Problems |
|
C |
Using the available
references, if the dry bulb temperature is 80°F (27°C) and the wet bulb
temperature is 70°F (21°C), what is the relative humidity in a cargo hold?
illustration D008DG |
45 (%) |
52 (%) |
61 (%) |
65 (%) |
Cargo Ventilation
- Problems |
|
D |
Using the available
references, if the dry bulb temperature is 84° and the wet bulb temperature
is 81°, what is the relative humidity in a cargo hold? illustration D008DG |
71 (%) |
79 (%) |
81 (%) |
88 (%) |
Cargo Ventilation
- Problems |
|
B |
Using the available
references, if the dry bulb temperature is 85°and the wet bulb temperature
is 73°, what is the relative humidity in a cargo hold? illustration D008DG |
42 (%) |
56 (%) |
67 (%) |
85 (%) |
Cargo Ventilation
- Problems |
|
B |
Using the available
references, if the dry bulb temperature is 91° and the wet bulb temperature
is 87°, what is the relative humidity in a cargo hold? illustration D008DG |
79 (%) |
85 (%) |
91 (%) |
98 (%) |
Cargo Ventilation
- Problems |
|
A |
Using the available
references, if the dry bulb temperature is 92° and the wet bulb temperature
is 85°, what is the relative humidity in a cargo hold? illustration D008DG |
75 (%) |
81 (%) |
84 (%) |
88 (%) |
Cargo Ventilation
- Problems |
|
C |
Using the available
references, if the dry bulb temperature is 98°and the wet bulb temperature
is 87°, what is the relative humidity in a cargo hold? illustration D008DG |
79 (%) |
84 (%) |
64 (%) |
87 (%) |
Cargo Ventilation
- Problems |
|
D |
Sounding tubes
and access openings for fuel oil tanks on cargo vessels are permitted by
U.S. regulations to be located in which of the listed spaces? |
crew lounge |
Laundries |
Washrooms |
none of the above |
Components; Operation
and Function |
|
A |
According to the
regulations, normally, manholes in LFG tanks are located __________. |
above the weather
deck |
in the expansion
trunk of each tank |
in the ends of
each tank |
there are no requirements
in the regulation |
Components; Operation
and Function |
|
D |
According to the
regulations, to prevent excessive pressure buildup in cargo tanks containing
LFG, they are fitted with __________. |
pressure vacuum
relief valves |
excess flow valves |
flame screens |
safety relief
valves |
Components; Operation
and Function |
|
D |
A tank which carries
liquid is dangerous to the stability of a vessel when it is in what state? |
completely full |
completely empty |
low in the vessel |
slack |
Components; Operation
and Function |
|
C |
Ullage measurements
are taken from the top of the liquid to which of the following points? |
the base of the
expansion trunk |
a line scribed
within the ullage port |
an above-deck
datum, usually the top of the ullage hole |
the base of the
ullage port |
Components; Operation
and Function |
|
C |
Where are ullages
measured from? |
the tank ceiling |
the thievage mark |
an above deck
datum |
the tank top bushing |
Components; Operation
and Function |
|
B |
The flame screens
installed on tank vents that may contain combustible gases, are designed
to prevent explosions by which of the following? |
allowing the escape
of flammable vapors |
dissipating the
heat of an external flame |
absorbing any
flammable vapors in the vicinity |
preventing flammable
vapors from entering the tank |
Components; Operation
and Function |
|
B |
U.S. regulations
define several acceptable means of closure for ballast and fuel oil tank
vents. Which of the following is an example of acceptable means? |
manually operated
ball check valve |
automatically
operated hinged closure |
permanently installed
canvas hood |
corrosion resistant
wire screen |
Components; Operation
and Function |
|
D |
The term "segregated
ballast" is defined in the U.S. regulations as ballast water introduced
into which of the following? |
oily water separator
for segregation |
fuel settling
tank for segregation from lighter fluids |
isolated tank
for analysis because of its noxious properties |
tank that is completely
separated from the cargo oil and fuel oil systems |
Dangerous/Hazardous
Cargo Regulations |
|
D |
According to the
Coast Guard Pollution Prevention Regulations (33 CFR), what is the minimum
number of bolts required in a temporarily connected standard ANSI coupling? |
6 bolts |
8 bolts |
2 bolts |
4 bolts |
Dangerous/Hazardous
Cargo Regulations |
|
B |
U.S. regulations
require that all oil spills in United States waters be reported immediately.
Who is this report made to? |
state pollution
board |
U.S. Coast Guard |
Corps of Engineers |
local port authority |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Which of the following
describes heavy fuel oils when they have been spilled? |
they are not a
real threat to marine life |
they are more
harmful to sea life than lighter oils |
they are easier
to clean up than lighter refined oils |
they are less
harmful to sea life than lighter oils |
Dangerous/Hazardous
Cargo Regulations |
|
D |
According to U.S.
regulations, which of the following does not qualify as a discharge of oil? |
Pumping oil overboard
through a fixed piping system. |
Leakage of oil
to the water by an improperly blanked transfer hose. |
Spilling oil on
the main deck and having it flow over the side. |
Discharging oil
into the sea for pollution research. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What term is not
considered a "discharge" as it applies to the U.S. pollution regulations? |
spilling a harmful
substance |
pumping a harmful
substance |
sampling a harmful
substance |
leaking diesel
fuel oil |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Which topic is
NOT required to be discussed at the pre-transfer conference? |
Identity of the
product to be transferred |
Estimated time
of finishing cargo |
Details of transferring
and receiving systems |
Emergency shutdown
procedures |
Dangerous/Hazardous
Cargo Regulations |
|
D |
If you observe
any situation which presents a safety or pollution hazard during the fuel
transfer operations, which action should you take FIRST? |
Close the valves
at the manifold. |
Notify the person
in charge of the shore facility. |
Sound the general
alarm. |
Shut down the
operation. |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What causes the
most frequent incidents of pollution during tanker operations? |
groundings |
loading and discharging |
collisions |
routine discharge
of oil during ballasting and tank crude oil washing |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Remote controls
for quick-closing shut off valves are required in how many location(s)? |
1 |
2 |
3 |
4 |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Who enforces the
U.S. pollution regulations that apply to ships? |
Corps of Engineers |
Port Authority |
U.S. Coast Guard |
State Pollution
Board |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Which of the following
represents an emergency procedure used to stop the oil flow aboard tank
vessels, of 250 tons or greater, as required by U.S. regulations? |
Self-closing emergency
disconnect fitting |
Pressure-sensitive
oil pressure controller |
Quick-acting power
actuated valve |
Manually-operated
quick-closing valve |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which of the following
describes the depth of a product in a tank? |
Innage |
Outage |
Thievage |
Ullage |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What does the
MARPOL 73/78 convention deal with? |
International
Marine Organization Gas Carrier Code |
International
Convention of Safety of Life at Sea |
International
Convention for the Prevention of Pollution from Ships |
International
Convention on Standards of Training Certification and Watchkeeping |
Dangerous/Hazardous
Cargo Regulations |
|
D |
It would be prudent
to perform which of the following actions prior to the commencement of bunkering? |
close the lids
on the vents |
plug the sounding
pipes |
plug the vents |
plug the scuppers |
Dangerous/Hazardous
Cargo Regulations |
|
D |
In reference to
accidental oil pollution, the most critical time during bunkering is when
__________. |
you first start
to receive fuel |
hoses are being
blown down |
hoses are being
disconnected |
final topping
off is occurring |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Your vessel is
taking on cargo oil when a small leak develops in the hose. You order the
pumping stopped. Before you resume pumping, which of the following action
should you perform? |
place a large
drip pan under the leak and plug the scuppers |
notify the terminal
superintendent |
replace the hose |
repair the hose
with a patch |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Your vessel is
taking on cargo oil when a small leak develops in the hose. You order the
pumping stopped. What action should you take before you resume pumping? |
repair the hose
with a patch |
place a large
drip pan under the leak and plug the scuppers |
notify the terminal
superintendent |
replace the hose |
Dangerous/Hazardous
Cargo Regulations |
|
B |
When you notice
oil on the water near your vessel while taking on fuel, what should your
first action be? |
determine whether
your vessel is the source |
stop loading |
notify the terminal
superintendent |
notify the senior
deck officer |
Dangerous/Hazardous
Cargo Regulations |
|
D |
While loading
bulk oil, you notice oil on the water near the barge. Which of the following
actions should you carry out FIRST? |
Search the vessel
for leaks |
Notify the Coast
Guard |
Notify terminal
superintendent |
Stop loading |
Dangerous/Hazardous
Cargo Regulations |
|
D |
U.S. regulations
require a meeting before starting any oil transfer operation. Who must be
in attendance at this meeting? |
terminal supervisor,
Master of the vessel and the Coast Guard |
master of the
vessel and the terminal superintendent |
master and chief
engineer of the vessel and the terminal supervisor |
person-in-charge
of the oil transfer operations on the vessel and the person-in-charge of
the oil transfer operations at the facility |
Dangerous/Hazardous
Cargo Regulations |
|
D |
U.S. regulations
state that a person may not transfer oil or hazardous materials to or from
a vessel unless each person-in-charge has signed which of the following
documents? |
valve inspection
record |
machinery log |
oil record book |
Declaration of
Inspection |
Dangerous/Hazardous
Cargo Regulations |
|
D |
For all loading
operations, the terminal must supply the vessel with a means in which the
vessel's designated person-in-charge may stop the flow of oil to the vessel,
insuring immediate shutdown in the event of a hose rupture, tank overflow,
etc. Which of the following choices will accomplish this task as required
by 33 CFR? |
a signal-board
on the bridge |
a loudhailer from
the vessel bridge |
a specific sequence
of lights |
a pneumatically
or mechanically operated device |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which is NOT a
safety precaution to be observed during the loading of LFG? |
Make sure the
raked ends of the barge are completely dry and mopped. |
Ascertain that
the hoses to be used are in good condition. |
Report any leakage
of cargo. |
Be on the lookout
for work being accomplished ashore in the vicinity of the barges. |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Why is a warning
sign displayed at the gangway or access point of a barge during cargo transfer? |
To designate smoking
areas |
To indicate any
health risk if applicable |
To indicate if
the cargo is a marine pollutant |
To keep visitors
away from the barge |
Dangerous/Hazardous
Cargo Regulations |
|
D |
According to 46
CFR there are specific alarms that are required to be tested prior to cargo
transfer. Which of the following items does not require testing? |
quick closing
loading valves |
high level visual
alarm |
high level audible
alarm |
low liquid level
alarms |
Dangerous/Hazardous
Cargo Regulations |
|
D |
If a repair team
is to enter a confined space for repair work, what minimum level of oxygen
should be present? |
18 (%) |
19 (%) |
20 (%) |
21 (%) |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Who completes
the Declaration of Inspection before loading a tank vessel? |
The manager of
the shore facility |
The designated
person in charge |
The US Coast Guard. |
The American Bureau
of Sipping. |
Dangerous/Hazardous
Cargo Regulations |
|
D |
The person in
charge on the vessel and the person in charge at the facility must hold
a meeting before starting the transfer of oil. Who must decide to start
the transfer? |
The person in
charge of either place that is doing the pumping |
The person in
charge on the vessel |
The person in
charge at the facility |
Both persons in
charge |
Dangerous/Hazardous
Cargo Regulations |
|
D |
U.S. regulations
state that no person may transfer oil to or from a vessel unless which of
the following conditions is met? |
a representative
sample has been taken from the oil being received |
an oil containment
boom is available for immediate use |
oil residue has
been drained from all hoses |
all parts of the
transfer system have been properly lined up |
Dangerous/Hazardous
Cargo Regulations |
|
B |
To insure proper
seating when closing a valve on a tank, what position should the valve be
in? |
set up as tight
as possible by hand |
closed, opened
a half turn, and then closed again |
set up tight using
a valve wrench |
closed against
the stop and the locking pin inserted |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What is the lowest
temperature at which a liquid will give off sufficient vapors to form a
flammable mixture with air? |
lower explosive
limit |
threshold limit
value |
flash point |
fire point |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Which statement
is TRUE concerning insulating flanges? |
After the insulating
flange is installed, hot work may be performed on deck. |
Switching off
a cathodic protection system may be substituted for using an insulating
flange |
The measured resistance
value after installation should be less than 1,000 ohms. |
They should be
inspected and tested periodically to ensure that the insulation is clean
and in good condition. |
Dangerous/Hazardous
Cargo Regulations |
|
D |
When is it acceptable
to use power-driven or manually-operated spark producing devices in the
pump room, where grades A, B, C, and D liquid cargoes are involved? |
when all cargo
tanks have been inerted |
when the vessel
is gas free |
when all cargo
tanks are empty |
when the compartment
itself is gas free |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Which of the following
does not require cargo transfer operations on a tank vessel to be stopped? |
a large, fresh
oil spill is discovered immediately adjacent to the side of the tanker |
there is an electrical
storm in the vicinity |
a tug comes alongside
while the tanker is loading grade D and E cargoes |
there is a fire
on the dock or on a nearby vessel |
Dangerous/Hazardous
Cargo Regulations |
|
C |
You have berthed
in a port area with other tank vessels. What signal is displayed by a vessel
to indicate it is transferring flammable or combustible liquid cargo? |
A green light
visible all around the horizon |
A flashing yellow
light |
A red light visible
all around the horizon |
An illuminated
red and yellow caution flag |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which statement
about the use of portable electric lights in petroleum product tanks is
TRUE? |
They must be explosion-proof,
self-contained, battery-fed lamps. |
They can be used
only when the compartment is gas free. |
The fixture must
be explosion-proof and the line must have a ground wire. |
No portable electric
equipment of any type is allowed. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
U.S. regulations
require an emergency means of stopping the flow of oil or LNG during transfer
operations. The emergency means may be which of the following? |
self-closing automatic
disconnect fitting |
manually-operated
quick-closing valve |
emergency pump
control on the cargo deck |
automatic pressure-sensitive
oil flow regulator |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Which statement
is TRUE concerning combustible gas indicators? |
They will detect
a lack of oxygen. |
They do not work
properly where there is a lack of oxygen. |
One sample of
air is adequate to test a tank. |
They are calibrated
to read the percentage chance of explosion. |
Dangerous/Hazardous
Cargo Regulations |
|
A |
According to U.S.
regulations, which of the following is a requirement of the ventilation
system of a pump room on a tanker? |
the regulation
requires that the ventilation be non-spark producing |
the regulation
only requires the installation of an exhaust fan |
the regulation
makes exception for the ventilation requirements if a SCBA is mounted at
the entrance |
the regulation
only applies to vessels built prior to Jan 1, 1963 |
Dangerous/Hazardous
Cargo Regulations |
|
A |
What is the inert
gas system on a tanker used for? |
dilute tank atmospheres
to keep gas concentrations below the lower explosive limit |
blow out cargo
lines to prevent gas concentrations |
prevent fires
in the pumproom by continually displacing flammable vapors |
prevent the generation
of flammable or combustible gas in tanks |
Dangerous/Hazardous
Cargo Regulations |
|
C |
According to U.S.
regulations, tank vessels are required to have a means of emergency shutdown.
This device does which of the following? |
shuts off the
main propulsion plant |
shuts off the
firefighting foam systems |
stops the flow
of oil to shore facility or other vessel |
secures electrical
power to all motors |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Who is responsible
for the final inspection ensuring a tank barge is provided with the required
equipment and has fittings in good and serviceable condition prior to loading
cargo? |
tankerman or person
in charge of loading |
charterer through
the Master of the towing vessel |
owner of the barge |
terminal operator |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Before a tank
is to be crude oil washed, what position must the oxygen content in the
tank must be measured at? |
one meter from
the deck |
in the vent riser |
at the top of
the tank |
immediately above
the level of the oil |
Dangerous/Hazardous
Cargo Regulations |
|
D |
What are the flammable
limits for motor gasoline? |
2.5% to 12.8%
mixture in air |
5.3% to 7% mixture
in air |
0.9% to 5.9% mixture
in air |
1.4% to 7.6% mixture
in air |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Combustion can
occur inside a piping system such as a vapor collection header in a marine
emission control system. Which of the following will not aid in this combustion
process? |
oxygen |
ignition |
nitrogen |
fuel |
Dangerous/Hazardous
Cargo Regulations |
|
D |
What are the primary
concern(s) for safely transporting and handling Liquefied Gas? |
cargo tanks and
piping strong enough to withstand the pressure |
a system of cargo
tanks and piping free from leaks |
cargo tanks and
piping located or protected to minimize physical damage |
All of the above. |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which of the following
actions is not considered to have the potential for generating static electricity? |
discharging a
fire hose on deck |
spraying or splashing
of petroleum |
settling of solids
or water in petroleum |
flow of petroleum
through pipes |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What is the minimum
temperature required to ignite gas or vapor without a spark or flame being
present called? |
lower explosive
limit |
autoignition temperature |
flash point |
fire point |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Where would be
the most likely location for a liquid cargo fire to occur on a tanker? |
at the main deck
manifold |
in the pumproom |
at the vent header |
in the midships
house |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Which of the following
is the chief source of spontaneous combustion aboard tankers? |
kerosene cargo |
gasoline cargo |
JP4 cargo |
oil soaked rags
or rubbish |
Dangerous/Hazardous
Cargo Regulations |
|
B |
U.S. regulations
require that tank vessels handling grade B liquids shall have their cargo
pumps separated from all sources of vapor ignition by which of the following? |
areas equipped
with power ventilation |
gas tight bulkheads |
cofferdams |
empty cargo spaces |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What is the best
method for extinguishing a fire of escaping liquefied flammable gas? |
interrupting the
chain reaction |
cooling the gas
below the ignition point |
stopping the flow
of gas |
cutting off the
supply of oxygen |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Which of the following
is a safety consideration when dealing with Liquefied Gas? |
it's caustic |
it's cold |
it's corrosive |
it's carcogenic |
Dangerous/Hazardous
Cargo Regulations |
|
B |
With reference
to Liquefied Gas operations, what does the term "rollover" used
to describe? |
vapor pockets
forming at the bottom of a half-filled tank |
when two or more
stratified layers of different density LNG in the same tank suddenly mix
together, causing a rapid increase in boil-off vapors |
custody transfer
at the terminal |
moving LNG from
one tank to another |
Dangerous/Hazardous
Cargo Regulations |
|
D |
What is the primary
hazard of liquefied petroleum gas and liquefied natural gas? |
pressure |
temperature |
toxicity |
flammability |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Which of the following
conditions will cause a combustible gas indicator to become inoperative
or give erroneous readings? |
compartment to
be tested is free of CO2 |
hydrocarbon content
of the atmosphere is less than the upper explosive limit |
atmosphere has
sufficient oxygen |
inerted content
of the atmosphere is less than the lower explosive limit |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Span gas is used
for what process? |
To calibrate a
gas analyzer to ensure it indicates correct gas concentrations. |
The name of a
gaseous state when the temperature of the vapor is the same as that of the
liquid. |
To insure an inert
atmosphere during the span of time when a system is being brought to a dry
air condition from a flammable atmosphere. |
To find the zero
point on a gas analyzer. |
Dangerous/Hazardous
Cargo Regulations |
|
D |
What is span gas
used for aboard liquefied natural gas carriers? |
detect leaks in
cargo piping |
odorize the cargo |
inert the barrier
spaces |
calibrate the
gas leak detectors |
Dangerous/Hazardous
Cargo Regulations |
|
C |
How does an inert
gas system on a tanker function to prevent explosions in cargo tanks? |
De-energizes the "charged
mist" effect. |
Maintains a positive
pressure on the vent header to cool the flammable vapors. |
Inert gas dilutes
the flammable vapor and air concentrations to keep them below the lower
explosive limit. |
Inert gas filters
out the flammable vapors from the cargo tank spaces. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
In an inert gas
system, high pressure alarms are set in the main vapor collection line to
cause an audible and visual alarm if the pressure reaches a certain level.
What is the percentage of the lowest relief valve setting at which the alarm
must sound? |
70 (%) |
80 (%) |
90 (%) |
95 (%) |
Dangerous/Hazardous
Cargo Regulations |
|
D |
On a tanker vessel,
what is the required combined capacity of the inert gas generating system
as compared to the total capacity of all the cargo pumps which can be operated
simultaneously? |
50 (%) |
75 (%) |
100 (%) |
125 (%) |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which of the following
describes intrinsically safe equipment? |
an electrical
circuit in which a spark is incapable of causing the ignition of a given
explosive mixture |
electrical circuits
under 2 amperes |
electrical circuits
under 12 volts |
an electrical
circuit normally limited to instrumentation in hazardous areas |
Dangerous/Hazardous
Cargo Regulations |
|
B |
The flame screens
installed on tank vents that may contain combustible gases, are designed
to prevent explosions by which of the following? |
preventing flammable
vapors from entering the tank |
dissipating the
heat of an external flame |
allowing the escape
of flammable vapors |
absorbing any
flammable vapors in the vicinity |
Dangerous/Hazardous
Cargo Regulations |
|
D |
The intakes for
an air compressor on a tank vessel carrying grade A cargo may be located
in which of the following areas? |
An enclosed machinery
space containing cargo piping |
A cargo handling
room |
An enclosed space
connected to the cargo handling room |
An area aft of
the cargo area 2.5 meters vertically above the deck |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Which of the following
choices does not depict the tank inerting process on a tank vessel? |
the introduction
of inert gas into a cargo tank during cargo discharge operations to replace
the volume of discharged cargo |
the introduction
of inert gas into a gas free tank with the objective of reducing the oxygen
content to below 8% by volume |
the introduction
of nitrogen gas into a tank with the objective of reducing the oxygen content
to below 8% by volume |
the introduction
of oxygen into a gas free tank prior to entry |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Your vessel is
securely moored to the berth preparing to discharge a cargo of LPG. Which
of the following items would not comply with a "Safety Checklist"
and should be corrected? |
there is sufficient
pumproom ventilation |
the inert gas
system deck water seal is drained and secured |
cargo tanks atmosphere
pressure is positive, with an oxygen content of 8% or below |
the fixed and
portable oxygen analysers are calibrated and operational |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Under which of
the following conditions will the blowers of an inert gas generation system
aboard a tanker remain operational? |
boiler combustion
control indicates high oxygen level |
high temperature
of the inert gas being delivered to the cargo tanks |
The tank atmosphere
above 8% oxygen |
the cooling water
supply to the scrubbers is lost |
Dangerous/Hazardous
Cargo Regulations |
|
C |
The cargo pump
relief valve is usually piped to which of the following components? |
cargo pump pressure
gauge |
atmosphere through
pump vent |
suction side of
pump |
crossover line |
Dangerous/Hazardous
Cargo Regulations |
|
D |
What is the required
gas supply capacity of an inert gas system? |
125% of forced
draft rate |
125% of fan capacity |
125% of shore
side loading rate |
125% of cargo
pump capacity |
Dangerous/Hazardous
Cargo Regulations |
|
A |
If the inert gas
system was not in operation while loading crude oil on a tank vessel, what
action would you take? |
Continue loading,
as this is a normal procedure. |
Continue loading
under "Emergency Procedures" |
Immediately stop
loading. |
Immediately start
up the inert gas system and admit gas to the deck main when oxygen content
is below 8 (%). |
Dangerous/Hazardous
Cargo Regulations |
|
D |
Which of the following
conditions will result in an automatic shut down of the flue gas inert gas
system? |
High temperature
gas entering the scrubber. |
Low temperature
water leaving the scrubber seal. |
Oxygen content
of the gas falls below 5 (%). |
High temperature
gas discharge from inert gas blowers. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What is the maximum
allowable oxygen content within the ships cargo tanks, inert gas piping
and the vapor recovery system? |
4 (%) |
5 (%) |
8 (%) |
10 (%) |
Dangerous/Hazardous
Cargo Regulations |
|
A |
When the inert
gas system is temporarily unable to maintain a positive pressure, or an
oxygen content less than 8%, how should cargo operations be adjusted? |
operations should
be shut down immediately |
operations should
continue only under "Emergency Procedures" |
operations should
be monitored more frequently |
operations should
continue at a slower rate until these requirements are met |
Dangerous/Hazardous
Cargo Regulations |
|
B |
When a tank vessel
with a capacity of 250 barrels is transferring oil to a facility, U.S. regulations
require an emergency means to stopping the flow of oil. Where must these
emergency means must be operable from? |
two or more locations
on the tank vessel |
the usual operating
station of the person in charge of the oil transfer |
the engine room,
cargo control room and bridge sequentially |
a remote location
of equal distance from the tank vessel and facility |
Dangerous/Hazardous
Cargo Regulations |
|
A |
How is an inert
gas system designed to reduce the possibility of tank explosions? |
by reducing the
oxygen concentration below levels necessary for combustion |
by eliminating
sparks and fire in the vicinity of cargo tanks |
by removing all
hydrocarbon gases from the cargo tanks |
by blanketing
cargo tanks with inert foam |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What do the emergency
shutdown requirements of U.S. regulations apply to? |
condensate pumps |
induced draft
fans |
cargo transfer
systems |
air compressors |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Which alarm is
NOT found on an inert gas system? |
Deck seal low
water alarm |
Scrubber high
water level alarm |
Low oxygen alarm |
Low pressure alarm |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Which is NOT a
safety precaution to be observed during the loading of Liquefied Gas? |
Report any leakage
of cargo. |
Ascertain that
the hoses to be used are in good order. |
Make sure the
rake ends of the barge are completely dry and mopped. |
Be on the lookout
for work being accomplished ashore in the vicinity of the barges. |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What is the preferable
way to extinguish an Liquefied Gas fire? |
Apply mechanical
foam. |
Shut off the source
of the gas feeding the fire. |
Apply "Purple
K" dry chemical. |
Apply water fog. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What is generally,
the first action in extinguishing an Liquefied Gas fire caused by escaping
gas? |
use a chemical
foam fire extinguisher |
call the local
fire department |
shut off the leak |
sweep flames away
with water spray |
Dangerous/Hazardous
Cargo Regulations |
|
B |
In order to reduce
the accumulation of static electricity while loading petroleum products,
you should __________. |
use the overall
method of loading only |
start to load
slowly |
increase the air
flow into the tank |
start to load
at maximum pressure |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Where is the most
likely location for a cargo fire to occur on a tanker? |
at the main deck
manifold |
in the pumproom |
at the vent header |
in the midships
house |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What is the primary
function of a flame screen on a tank vessel? |
prevents inert
gas from leaving a tank |
permits the passage
of vapor but not of flame |
prevents the passage
of flammable vapors |
permits vapors
to exit but not enter a tank |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Which of the following
is the primary function of the screens that are fitted to the Fuel oil tank
vents? |
vapors from leaving
the tank vent |
flames on deck
from entering the tank vent |
air from entering
the tank vent |
oil from flowing
out of the tank vent |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Protective clothing
must be worn while sampling hazardous cargo on a tankship. This clothing
includes which of the following at a minimum? |
chemical resistant
gloves |
boots |
a face mask or
goggles |
a hood or hard
hat |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Which of the following
will prevent a flammable atmosphere from occurring in a cargo tank on a
tank vessel? |
inert gas |
a combustion stabilizer |
an oxidizer |
a vortex eliminator |
Dangerous/Hazardous
Cargo Regulations |
|
A |
In special cases,
the Commandant of the Coast Guard may permit cargo piping to pass through
machinery spaces. This is permitted provided that the only cargo carried
through such piping is(are) which of the following? |
grade E |
grades D or E |
grades A or B |
LFG |
Dangerous/Hazardous
Cargo Regulations |
|
A |
Your tank vessel
is loaded down to her marks, and you find that she has too much trim by
the stern. What action should you take to obtain an even keel and still
maintain profitability? |
shift bunkers
forward |
discharge cargo
midships |
add ballast forward |
load more cargo
forward |
Dangerous/Hazardous
Cargo Regulations |
|
C |
46 CFR directs
the location of fuel oil sounding tubes and access openings for fuel oil
tanks on cargo vessels. Where can the tubes be located? |
Laundries |
Washrooms |
Cargo holds |
Crew lounge |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Your tank vessel
is loaded down to her marks, and you find that she has too much trim by
the stern. Which of the following action would reduce the excessive trim? |
discharge cargo
from the after tanks |
shift bunkers
forward |
load more cargo
forward |
add ballast forward |
Dangerous/Hazardous
Cargo Regulations |
|
A |
What are flame
screens used for? |
prevent flames
from entering tanks |
protect firefighters
from flames |
keep flames and
sparks from getting out of an engine's exhaust system |
contain flammable
fumes |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What is a cofferdam? |
Tube fitted to
an ullage hole |
Void or empty
space separating two tanks |
Opening in the
deck used for cleaning a tank |
Area the product
is loaded into |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What type of valve
is usually on the discharge side of a cargo pump on a tank vessel? |
butterfly valve |
globe valve |
check valve |
spectacle valve |
Dangerous/Hazardous
Cargo Regulations |
|
B |
On tankers with
manually operated tank valves, which of the following is the type of valve
most commonly used? |
butterfly valve |
gate valve |
check valve |
globe valve |
Dangerous/Hazardous
Cargo Regulations |
|
C |
On modern tankers
with separate pump rooms, which of the following is used to minimize cargo
pump shaft leakage? |
Stuffing box glands |
Shaft sleeves |
Mechanical seals |
Slinger rings |
Dangerous/Hazardous
Cargo Regulations |
|
A |
The condition
of asphyxia arises from which of the following? |
an inadequate
supply of oxygen |
too much oxygen |
sleep deprivation |
improper caloric
intake |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Compared to air,
the weight of liquefied petroleum gas vapors are which of the following? |
lighter |
the same |
heavier |
variable |
Dangerous/Hazardous
Cargo Regulations |
|
B |
What would likely
happen if you were exposed to a 100% methane atmosphere for more than 15
minutes? |
be severely burned |
suffocate |
break out in a
cyrogenic rash |
become quite ill
due to the toxic nature of the gas |
Dangerous/Hazardous
Cargo Regulations |
|
C |
When providing
first aid to a victim of gas poisoning, what is the MOST important symptom
to check for? |
slow and weak
pulse |
unconsciousness |
suspension of
breathing |
cold and moist
skin |
Dangerous/Hazardous
Cargo Regulations |
|
B |
Cryogenic burns
can result in frostbite, what is the proper immediate treatment? |
Apply ice to the
area and gradually warm. |
Warm the area
quickly by placing it in water at 108°F until it has thawed. |
Massage the affected
area. |
Compress the affected
area with cryogenic burn heat wrap. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
What is the proper
first aid for LPG in the eye? |
Keep the eyelid
close. |
Apply an ice pack
to the eye. |
Flush the eye
with plenty of water. |
Rub the eye area
clean. |
Dangerous/Hazardous
Cargo Regulations |
|
C |
Every U.S. crude
oil tankship with a keel laying date on or after 1/1/75, shall be equipped
with an inert gas system if the tonnage is more than __________. |
50,000 DWT (metric
tons) |
50,000 DWT (long
tons) |
100,000 DWT (metric
tons) |
100,000 DWT (long
tons) |
Inert Gas |
|
D |
During loading
and discharging operations, in addition to when the cargo tanks have been
properly filled, each inert gas system must be capable of maintaining a
minimum gas pressure of __________. |
75 millimeters
of water pressure |
125 millimeters
of water pressure |
150 millimeters
of water pressure |
100 millimeters
of water pressure |
Inert Gas |
|
A |
Which statement
about the pressure in a tank being inerted by an inert gas system is TRUE? |
A positive pressure
should be maintained at all times. |
The maximum pressure
permitted is 8 psi. |
The pressure must
remain within the limits of +5 psi to -1 psi. |
None of the above |
Inert Gas |
|
B |
Where are remote
readouts for oxygen concentration, pressure, and temperature of an inert
gas system required to be located? |
Main deck and
engine control consoles |
Cargo control
and engine control consoles |
Bridge and tank(s)
being inerted |
Bridge and engine
control consoles |
Inert Gas |
|
A |
Each ship having
an inert gas system must have a portable instrument to measure concentrations
of hydrocarbon vapor in inert atmospheres and also to measure __________. |
oxygen |
water vapor |
carbon dioxide |
nitrogen |
Inert Gas |
|
B |
Each inert gas
system must be designed to supply the cargo tanks with a gas, or mixture
of gasses, that has an oxygen content by volume of __________. |
20% or less |
5% or less |
15% or less |
10% or less |
Inert Gas |
|
B |
Coast Guard Regulations
permit which of the following systems to be used for fire prevention and
the simultaneous inerting of cargo tanks on tank vessels? |
A fixed water
spray system |
An inert gas system |
The fire main
system |
The deck foam
system |
Inert Gas |
|
D |
The last 1.0 meter
(3.3 feet) of vapor piping before the vessel vapor connection must be painted
__________. |
hi-visibility
yellow |
yellow/red/yellow |
international
orange |
red/yellow/red |
Inert Gas |
|
B |
Each inert gas
system gas main must have an automatic shut down valve at the outlet of
the gas production plant. This valve must close automatically upon __________. |
low inert gas
temperature |
blower failure |
deck seal low
water level |
cargo pump failure |
Inert Gas |
|
D |
On a vapor control
system, each vessel's vapor connection flange must have a __________. |
pressure gauge
permanently attached to the flange |
6" reducer |
hose saddle |
stud at least
1" long projecting from the flange face |
Inert Gas |
|
A |
Vapor recovery
hoses must be tested yearly at what ratio to their maximum allowable working
pressure? |
1½ mawp |
2 mawp |
3 mawp |
5 mawp |
Inert Gas |
|
B |
During loading,
what is the minimum pressure required to be maintained by the inert gas
system on cargo tanks? |
2" water
gauge |
4" water
gauge |
20" water
gauge |
40" water
gauge |
Inert Gas |
|
D |
When checking
the oxygen content of the cargo tanks prior to loading cargoes requiring
vapor recovery, the atmosphere must be sampled __________. |
one meter from
the tank bottom and one meter below the tank top |
at three meter
intervals from the tank top |
one half the ullage
of the tank and one meter above the tank bottom |
one half the ullage
of the tank and one meter below the tank top |
Inert Gas |
|
D |
An on-board monitoring
system, using level sensors permanently installed in each vessel compartment,
will have a high level alarm set at not more than __________. |
90% of compartment
capacity |
99% of compartment
capacity |
97% of compartment
capacity |
95% of compartment
capacity |
Inert Gas |
|
D |
What is the combined
fan discharge rate in an inert gas system is related to? |
shoreside loading
rate |
size of the largest
cargo tank |
boiler forced
draft fan rate |
maximum cargo
pump discharge rate |
Inert Gas |
|
B |
How does an inert
gas system on a tanker function to prevent explosions in cargo tanks? |
Inert gas filters
out the flammable vapors from the cargo tank spaces. |
Inert gas dilutes
the flammable vapor and air concentrations to keep them below the lower
explosive limit. |
Maintains a positive
pressure on the vent header to cool the flammable vapors. |
De-energizes the "charged
mist" effect. |
Inert Gas |
|
C |
How does an inert
gas system on a tanker function to prevent explosions in cargo tanks? |
Maintains a positive
pressure on the vent header to cool the flammable vapors. |
De-energizes the "charged
mist" effect. |
Inert gas dilutes
the flammable vapor and air concentrations to keep them below the lower
explosive limit. |
Inert gas filters
out the flammable vapors from the cargo tank spaces. |
Inert Gas |
|
A |
What is NOT a
requirement for the safe and effective use of a crude oil washing system? |
Use portable washing
machines to reach areas obscured by structural members in the tanks. |
Decant one meter
from the source tank for the tank cleaning machines. |
Strip all tanks
and remove the bottom residue. |
Use an inert gas
system while washing tanks. |
Inert Gas |
|
A |
Which alarm is
NOT found on an inert gas system? |
Low oxygen alarm |
Scrubber high
water level alarm |
Low pressure alarm |
Deck seal low
water alarm |
Inert Gas |
|
C |
The high-level
overfill tank alarm, installed in the on-board monitoring system, must __________. |
sound when the
tank is 90% full |
operate in unison
with other alarms |
be both audible
and visual |
be the same as
the overfill alarm |
Inert Gas |
|
C |
In an inert gas
system, high pressure alarms are set in the main vapor collection line to
cause an audible and visual alarm if the pressure reaches a certain level.
What is the percentage of the lowest relief valve setting at which the alarm
must sound? |
70 (%) |
80 (%) |
90 (%) |
95 (%) |
Inert Gas |
|
C |
You are on an
inerted tankship. A low pressure alarm must be set to cause an audible and
visual alarm if the pressure in the tanks cannot be maintained at more than
__________. |
90% of the pressure
drop through the scrubber |
90% of the vacuum
assist fan |
4" water
gauge |
90% of the vacuum
relief setting |
Inert Gas |
|
B |
On a tank vessel,
each high level alarm and tank overfill alarm must be tested __________. |
anytime prior
to loading |
no earlier than
24 hours prior to loading |
no later than
24 hours prior to loading |
weekly |
Inert Gas |
|
D |
What percent of
oxygen content by volume, must each inert gas system be designed to supply
the cargo tanks with a gas, or mixture of gases? |
15% or less |
20% or less |
10% or less |
5% or less |
Inert Gas |
|
A |
The fresh air
intake of the inert gas system __________. |
allows the inert
gas piping to be used for gas freeing the tanks |
opens when there
is excessive vacuum on the deck water seal |
enables outside
air to mix with and to cool the hot flue gasses |
prevents the flue
gas from falling below an oxygen content of 3% |
Inert Gas |
|
D |
Which part of
the inert gas system is designed to relieve sudden large overpressures that
exceed the capacity of the mechanical P/V valves? |
Pressure control
valve |
Deck water seal |
Isolation valve |
Liquid filled
P/V breaker |
Inert Gas |
|
A |
After the initial
cleaning of flue gas in an inert gas system the gas is passed through what
device for final cleaning? |
Demister |
Deck water seal |
Final filter |
Scrubber |
Inert Gas |
|
D |
Which function
is NOT provided by the scrubber of an inert gas system? |
Removes chemical
impurities from the gas. |
Removes particulate
matter like soot. |
Cools the inert
gas. |
Maintains gas
pressure in the tanks. |
Inert Gas |
|
C |
What is the major
function of the deck water seal in an inert gas system? |
Relieves excessive
pressures from the system. |
Removes any leftover
water or soot after the gas has been scrubbed. |
Isolates hazardous
areas from nonhazardous areas. |
Prevents the flow
of inert gas into closed or isolated tanks. |
Inert Gas |
|
C |
The deck water
seal of the inert gas system __________. |
cools the inert
gas and prevents soot from entering the cargo tanks |
acts as an emergency
system shutdown when the inlet pressures exceed the safe working pressure
in the hazardous zone |
prevents the backflow
of hydrocarbon gasses into nonhazardous areas |
relieves sudden
large overpressures in the system |
Inert Gas |
|
A |
The component
in an inert gas system used for cleaning the gas of solid and sulfur combustion
products, while simultaneously cooling the inert gas, is called the __________. |
scrubber |
filter |
cooler |
purifier |
Inert Gas |
|
B |
Which of the listed
functions is the purpose of a gas scrubber in an inert gas generation system? |
Maintains flow
to the water seal on the gas main. |
Cools the inert
gas. |
Maintains the
oxygen content at 5% by volume. |
Bleeds off static
electricity in the inert gas. |
Inert Gas |
|
B |
After allowing
for pressure losses, the pressure-volume capacity of an inert gas blower
must be able to maintain a pressure, in any cargo tank, at a minimum of
__________. |
50 millimeters
of water pressure |
100 millimeters
of water pressure |
150 millimeters
of water pressure |
200 millimeters
of water pressure |
Inert Gas |
|
A |
The combined fan
discharge rate in an inert gas system is related to the __________. |
cargo pump discharge
rate |
boiler forced
draft fan rate |
size of the largest
cargo tank |
shoreside loading
rate |
Inert Gas |
|
D |
In order for combustion
to occur inside a piping system such as a vapor collection header in a marine
emission control system, there must be __________. |
oxygen |
fuel |
ignition |
All of the above. |
Inert Gas |
|
D |
Each hose used
for transferring vapors must __________. |
have a design
burst pressure of at least 25 psig |
be capable of
withstanding at least 2.0 psi vacuum without collapsing or constricting |
be electrically
continuous with a maximum resistance of ten thousand ohms |
All of the above. |
Inert Gas |
|
A |
The liquid-filled
PV breaker has acted to relieve a vacuum in a tank. What action must be
taken in regards to the PV-breaker before continuing operations? |
Refill the breaker
with liquid. |
Manually reset
the vacuum side of the breaker. |
Install a new
rupture disc. |
Check to make
certain that it has reset itself. |
Inert Gas |
|
C |
What type of liquid
is used in the liquid P/V breaker? |
Hydraulic oil |
Distilled water |
Water-antifreeze
mixture |
Oil from the cargo |
Inert Gas |
|
A |
Which method is
used to supply inert gas from a flue gas system to the cargo tanks? |
High capacity
fan |
Exhaust gas pressure
from the stack |
Inert gas compressor |
Natural aspiration |
Inert Gas |
|
A |
The purpose of
the deck seal in an inert gas system is to prevent __________. |
flammable vapors
from entering machinery space |
inert gas escaping
to atmosphere |
air entering inert
gas system |
flue gas escaping
to atmosphere |
Inert Gas |
|
D |
The blowers of
an inert gas generation system aboard a tanker, will be automatically secured
if __________. |
normal water supply
at the water seal is lost |
the cooling water
supply to the scrubbers is lost |
the temperature
of the inert gas being delivered to the cargo tanks is more than 150°F |
All of the above. |
Inert Gas |
|
C |
Which function
is NOT provided by the scrubber of an inert gas system? |
Cools the inert
gas. |
Removes particulate
matter like soot. |
Maintains gas
pressure in the tanks. |
Removes chemical
impurities from the gas. |
Inert Gas |
|
B |
Which of the following
describes the fresh air intake of the inert gas system? |
it enables outside
air to mix with and to cool the hot flue gases |
it allows the
inert gas piping to be used for gas freeing the tanks |
it prevents the
flue gas from falling below an oxygen content of 3% |
it opens when
there is excessive vacuum on the deck water seal |
Inert Gas |
|
D |
Tank vessel inerting
refers to __________. |
the introduction
of inert gas into a tank with the object of reducing the oxygen content
to below 8% by volume |
the introduction
of inert gas into a gas free tank for the purpose of reducing the oxygen
content to below 8% by volume |
the introduction
of inert gas into a cargo tank during cargo discharge to replace the volume
of discharged cargo |
All of the above. |
Inert Gas |
|
A |
An inert gas system
on a tanker should be used to __________. |
dilute tank atmospheres
to keep gas concentrations below the lower explosive limit |
prevent fires
in the pumproom by continually displacing flammable vapors |
prevent the generation
of flammable or combustible gas in tanks |
blow out cargo
lines to prevent the build up of gas concentrations |
Inert Gas |
|
B |
An inert gas system
is designed to reduce the possibility of tank explosions by __________. |
removing all hydrocarbon
gases from the cargo tanks |
reducing the oxygen
concentration below levels necessary for combustion |
eliminating sparks
and fire in the vicinity of cargo tanks |
blanketing cargo
tanks with inert foam |
Inert Gas |
|
D |
The purpose of
inert gas systems aboard tank vessels is to __________. |
provide increase
in cargo discharge pressure |
allow sufficient
oxygen in the tank to sustain life |
comply with double
hull pollution prevention regulations |
prevent outside
air from entering the tank |
Inert Gas |
|
C |
An inert gas system
installed on a tanker is designed to __________. |
aid in the stripping
and cleaning of cargo tanks |
force toxic and
explosive fumes from a cargo tank to vent to the outside atmosphere |
lower the oxygen
levels inside cargo tanks, making explosion nearly impossible |
increase the rate
of discharge of cargo |
Inert Gas |
|
B |
On a hydrocarbon
flammability chart the line which extends from 0% to 21.8% oxygen, lying
tangent to the flammability range, is called the __________. |
critical displacement
line |
critical dilution
line |
minimum oxygen
content line |
upper threshold
limit |
Inert Gas |
|
C |
The maximum allowable
oxygen content within the ship's cargo tanks, inert gas piping and the vapor
recovery system is __________. |
4 (%) |
5 (%) |
8 (%) |
10 (%) |
Inert Gas |
|
D |
Introducing inert
gas into a tank already inert with the object of further reducing the oxygen
or hydrocarbon content to prevent combustion if air enters the tank is called
__________. |
bonding |
gas dispersion |
gas freeing |
purging |
Inert Gas |
|
A |
The advantages
of using an inert gas system on a tank vessel is that it provides __________. |
tank atmosphere
with low oxygen content |
better fuel economy |
for faster loading |
All of the above. |
Inert Gas |
|
A |
Which statement
is TRUE concerning inert gas systems on tank vessels? |
Flue gases from
the ship's boilers are used in some systems. |
Helium is the
preferred inert gas. |
Using the system
accelerates the rusting of the tanks. |
All of the above. |
Inert Gas |
|
D |
Which statement
about the inert gas system is TRUE? |
Flue gas with
excessive oxygen content is de-oxygenated in the scrubber. |
The boiler will
produce the most quantity of flue gas for the IG system when the boiler
load is very light. |
The boiler will
produce the best quality of flue gas for the IG system when the boiler load
is very light. |
Boiler soot blowers
should never be used when the IG system is operating. |
Inert Gas |
|
A |
You are discharging
cargo and the inert gas system is in operation to inert the tanks. The pressure
in a tank being discharged starts to drop below the allowable limit. What
action should you take? |
Reduce the pumping
rate. |
Open the tank
isolation valve to the fully open position. |
Cut in another
IG fan to increase gas flow. |
Open the pressure
control valve until the pressure increases. |
Inert Gas |
|
B |
Which operation
may cause the pressure in an inert tank to fall below the prescribed limits? |
Loading |
Discharging |
Steaming tanks |
Crude oil washing |
Inert Gas |
|
B |
Which statement
about inert gas pressures in a cargo tank is TRUE? |
The pressures
of the inert gas in the tank may create excessive pressure at the pump while
discharging. |
Gas pressures
should be maintained at the highest permissible level throughout the discharging
process. |
High gas pressures
may cause loss of suction when stripping. |
High gas pressures
may cause pyrophoric oxidation in the tank. |
Inert Gas |
|
C |
Which action must
be taken when an individual cargo tank is closed off from the inert gas
system by the tank isolation valve? |
The tank must
be gas freed. |
The tank must
be ballasted. |
The tank must
be vented to the atmosphere. |
The bypass valve
must also be closed. |
Inert Gas |
|
D |
Which step is
NOT generally taken when gas-freeing a tank? |
Fresh air ventilation |
Removal of corrosion
products and sludge |
Washing the tank
interior with sea water |
Application of
degreasing solvents |
Inert Gas |
|
B |
Which of the following
describes excessive recirculation of inert gas? |
it is likely to
over heat the deck water seal |
it is undesirable
and it may lead to high oxygen content of the inert gas |
it is highly recommended |
it is likely to
over pressurize the cargo tanks |
Inert Gas |
|
B |
Which of the following
methods is used to supply inert gas from a flue gas system to the cargo
tanks? |
Exhaust gas pressure |
High capacity
fan |
Inert gas compressor |
Natural aspiration |
Inert Gas |
|
D |
While discharging
cargo, the cargo tank pressures are falling too low. What can the Cargo
Officer do to correct the problem? |
Slow the discharge
rate. |
Ask the terminal
to send more vapor to the ship. |
Stop the discharge
rate. |
All of the above. |
Inert Gas |
|
D |
You are discharging
cargo and the inert gas system is in operation to inert the tanks. The pressure
in a tank being discharged starts to drop below the allowable limit. What
action should you take? |
Cut in another
IG fan to increase gas flow. |
Open the pressure
control valve until the pressure increases. |
Open the tank
isolation valve to the fully open position. |
Reduce the pumping
rate. |
Inert Gas |
|
B |
You are on a multiple-product
chemical tanker with orders to load diethylamine. What is NOT a requirement
for transporting this cargo? |
Each crew member
must be provided with an emergency escape breathing apparatus. |
You must have
a containment system made out of stainless steel other than types 416 and
422. |
You must have
two toxic vapor detectors or the pumproom must meet special requirements. |
If you are also
carrying allyl alcohol, the venting systems don't have to be segregated. |
International
Regulations for Cargoes, IMDG code |
|
D |
On a manned vessel
carrying packaged hazardous cargo, the hazardous materials shall be inspected
__________. |
every 24 hours
unless equipped with a fire detecting system |
after stowage
is complete |
prior to entry
into a U.S. port |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
B |
Your tankship
is carrying a 30% solution of hydrogen peroxide. The cargo containment system
must have a permanent inert gas system. While discharging this cargo the
inert gas system must maintain a minimum pressure of __________. |
3.0 psig |
0.5 psig |
5.0 psig |
atmospheric pressure |
International
Regulations for Cargoes, IMDG code |
|
C |
In accordance
with regulations, ethylene oxide shall be loaded below what temperature? |
51°F |
90°F |
70°F |
its flash point |
International
Regulations for Cargoes, IMDG code |
|
B |
Protective clothing
must be worn while sampling hazardous cargo on a tankship, and as a minimum
includes __________. |
chemical resistant
gloves |
a face mask or
goggles |
boots |
a hood or hard
hat |
International
Regulations for Cargoes, IMDG code |
|
A |
Which statement
about the carriage of solid hazardous materials in bulk is TRUE? |
Hazardous materials
that require separation must not be handled at the same time. |
The shipping papers
can be used in lieu of a Dangerous Cargo Manifest for a vessel carrying
solid hazardous materials in bulk. |
A certificate
issued by ABS will be accepted as evidence that the vessel complies with
all applicable loading regulations. |
A special permit
issued by the Coast Guard is required before bulk solid materials that require
special handling are loaded |
International
Regulations for Cargoes, IMDG code |
|
D |
You are on a cargo
vessel carrying toluol in bulk in portable tanks. Which is a requirement
for pumping the toluol? |
If transferring
at anchor, you must display a red flag by day and a red light at night. |
Hose connections
to the tank must be made with a minimum of three bolts. |
You must shut
down if another vessel comes alongside. |
There must be
water pressure on the fire main. |
International
Regulations for Cargoes, IMDG code |
|
A |
Your tankship
is carrying a cargo of styrene. Which of the following is NOT a requirement
for carriage of this cargo? |
P/V valves with
galvanized parts must be replaced. |
You must have
a "Certificate of Inhibition" provided by the shipper. |
The cargo tank
heating coils must be blanked off. |
Authorization
to carry styrene must be endorsed on the Certificate of Inspection. |
International
Regulations for Cargoes, IMDG code |
|
C |
Your U.S. tankship
is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980.
Which statement concerning the carriage of this cargo is TRUE? |
Carriage of this
cargo is authorized by issuance of an IMO Certificate. |
Aluminum, copper,
zinc, and mercury are allowed in valve parts in contact with the cargo. |
The cargo may
be gauged by automatic float type devices. |
A flammable gas
detection system must be installed in each cargo pump room. |
International
Regulations for Cargoes, IMDG code |
|
A |
Your U.S. tankship
is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980.
Which statement concerning the carriage of this cargo is TRUE? |
Aluminum and copper
alloys are prohibited from being in valve parts in contact with the cargo. |
Carriage of this
cargo is authorized by issuance of an IMO Certificate. |
Tanks may not
be located "on deck". |
A flammable gas
detection system must be installed in each cargo pump room. |
International
Regulations for Cargoes, IMDG code |
|
C |
You are on a vessel
designed to carry compressed gasses in bulk with a cargo of butadiene. Which
statement is TRUE? |
The shipping document
must specify the exact quantity of butadiene being carried. |
The cargo tank
may be sampled only when the tank is being filled. |
Silver and copper
are prohibited in the parts of valves and fittings in contact with the cargo. |
The ullage must
be padded with compressed air at a minimum pressure of 2 psig. |
International
Regulations for Cargoes, IMDG code |
|
B |
You are to load
styrene in bulk, which is subject to self-polymerization. In accordance
with 46 CFR Table 153 what are you required to do? |
use heating coils
to maintain the styrene within the temperatures specified by the shipper |
be furnished with
a Certificate of Inhibition to be maintained on the bridge |
inject nitrogen
to pad any ullage above the styrene to prevent contact with oxygen |
not carry any
cargo in the tanks surrounding the tank loaded with styrene |
International
Regulations for Cargoes, IMDG code |
|
A |
You are on a tankship
designed to carry molten sulfur. Which statement is TRUE? |
Cargo temperature
may be taken by portable thermometers. |
There must be
two portable toxic vapor detectors on board. |
The pressure in
the heating coils in the tanks must be less than that of the cargo exerted
on them. |
The cargo tank
ventilation system must maintain the H2S vapor concentration at 1.85% or
more by volume. |
International
Regulations for Cargoes, IMDG code |
|
C |
You are on a cargo
vessel carrying portable tanks of dangerous cargoes in bulk. Which statement
is TRUE? |
If the tanks are
pumped out while remaining on board, each hose connection must have a minimum
of three bolts. |
When transferring
sulfuric acid, you must display a red flag by day whether at anchor or moored. |
All electrical
equipment within 10 feet horizontally must be explosion proof or intrinsically
safe. |
If the tanks are
off loaded, no more than two tanks may be lifted together in a hoist. |
International
Regulations for Cargoes, IMDG code |
|
A |
What type of gauging
is required for a cargo of formic acid? |
Restricted |
Closed |
Open |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
C |
You are on a tankship
carrying benzene in bulk. Which statement is TRUE? |
No other cargoes
may be carried due to the possibility of contamination by a carcinogen. |
Benzene is not
a cancer-causing agent. |
Personnel working
in regulated areas must use respirators. |
The crew quarters
must have positive-pressure ventilation to prevent the fumes from entering
the living spaces. |
International
Regulations for Cargoes, IMDG code |
|
B |
What is NOT required
as special safety equipment on a tankship carrying hazardous cargoes in
bulk? |
Shower and eyewash
fountain |
Two portable vapor
detectors suitable for the cargoes carried |
Equipment to lift
an injured person from a pumproom |
A safety locker
adjacent to the emergency shutdown station |
International
Regulations for Cargoes, IMDG code |
|
A |
You are on a vessel
carrying liquefied butadiene in bulk. Which document is NOT required to
be either in the wheelhouse or easily accessible to the person on watch
while underway? |
Cargo manual |
Certificate of
Inspection |
Shipping document |
Cargo information
card |
International
Regulations for Cargoes, IMDG code |
|
A |
Which is NOT required
on a tankship carrying hazardous liquid cargoes in bulk? |
Certificate of
Adequacy for the hazardous cargoes carried |
Certificate of
Inspection issued under the Tank Vessel Regulations |
Cargo piping plan
showing loading rates for all applicable cargo lines |
A copy of 46 CFR
parts 35 and 150 |
International
Regulations for Cargoes, IMDG code |
|
A |
Your tank vessel
is loading a hazardous cargo. The allowance for expansion is based on ambient
temperatures of what maximum range? |
-18°C to 46°C |
-40°C to 50°C |
-10°C to 90°C |
0°C to 100°C |
International
Regulations for Cargoes, IMDG code |
|
C |
You are on a vessel
that carries liquefied gasses in bulk. The person on watch is required to
have what information about the cargo easily accessible? |
Exact quantity
on board |
Name and address
of consignee |
Firefighting procedures |
Port of loading |
International
Regulations for Cargoes, IMDG code |
|
B |
You have a tow
of chemical barges. The mate reports an ammonia smell around the head of
the tow. You would suspect a leak in the barge carrying __________. |
propanolamine |
morpholine |
methyl chloride |
heptane |
International
Regulations for Cargoes, IMDG code |
|
A |
No hot work shall
be performed on board a vessel with hazardous materials as cargo unless
the work is approved by the __________. |
local U.S. Coast
Guard Captain of the Port |
National Cargo
Bureau |
American Bureau
of Shipping |
harbormaster |
International
Regulations for Cargoes, IMDG code |
|
A |
In handling break
bulk hazardous materials, it is forbidden to use __________. |
metal bale hooks |
slings |
cargo nets |
pallets |
International
Regulations for Cargoes, IMDG code |
|
B |
Once a vessel
has loaded packaged hazardous cargo, the cargo spaces shall be inspected.
The spaces shall also be inspected at least once in every 24 hours. The
only exception to daily inspection is when __________. |
the cargo is of
a nonflammable type |
a vessel is equipped
with an automatic smoke or fire detecting system |
there is sufficient
fire protection located on the main deck adjacent to the cargo hatch |
the cargo hatches
are of steel construction |
International
Regulations for Cargoes, IMDG code |
|
C |
You are transporting
dangerous cargo on your vessel. The regulations require you to __________. |
keep a warning
sign posted nearby |
allow no chipping
or painting in the vicinity of the cargo |
periodically inspect
it and make an entry in a log |
keep a fire hose
run out and ready for use if needed |
International
Regulations for Cargoes, IMDG code |
|
C |
If a Master must
jettison a container loaded with hazardous material, he must, as soon as
possible, notify the __________. |
National Cargo
Bureau |
Environmental
Protection Agency |
nearest Captain
of the Port |
National Hazardous
Chemical Response Center |
International
Regulations for Cargoes, IMDG code |
|
D |
Your ship is carrying
hazardous cargo. During a daily inspection, you notice that some of the
cargo has shifted and several cases are broken. You should FIRST __________. |
log the facts
in the rough log and inform the Chief Mate later |
call out the deck
gang to jettison the cargo |
make a determination
of the seriousness of the breakage, and do what you think best |
report the facts
immediately to the Master, who will make a decision |
International
Regulations for Cargoes, IMDG code |
|
A |
When stowing hazardous
materials on deck, lashing of such cargo is permitted if __________. |
the lashings are
secured to deck pad eyes |
a wooden bin is
constructed of at least 2-inch dunnage and bolted together |
the cargo is lashed
to the adjacent guard rails |
there is at least
3 inches of dunnage on deck |
International
Regulations for Cargoes, IMDG code |
|
A |
What is NOT a
requirement for the preparation of used, gasoline-propelled cars if they
are to be carried as ordinary cargo and not as hazardous cargo? |
The fuel tank
must be inerted with CO2. |
The engine must
be run until it dies from lack of fuel. |
The ignition key
may not be in the ignition. |
The vehicle must
be inspected for fuel leaks. |
International
Regulations for Cargoes, IMDG code |
|
B |
Which agency is
authorized to assist the Coast Guard in the inspection of vessels for the
suitability of loading hazardous materials? |
U.S. Navy explosive
loading details |
National Cargo
Bureau, Inc. |
American Bureau
of Shipping |
Environmental
Protection Agency |
International
Regulations for Cargoes, IMDG code |
|
C |
What would NOT
require that a detailed report of the release of hazardous cargo be made
to the Department of Transportation? |
The valve on an
empty portable tank that contained acetone is accidentally opened and some
of the residue escapes to the open sea. |
Heavy weather
causes damage to packages of a hazardous liquid that is subsequently pumped
out at sea through the bilge pumping system. |
Part of your deck
cargo of five gallon cans of paint is damaged and leaking so you jettison
them to eliminate the fire hazard. |
A carboy of nitric
acid is broken on deck while loading and is flushed overboard with no injury
or damage. |
International
Regulations for Cargoes, IMDG code |
|
D |
You are transporting
dangerous cargo on your vessel. You must inspect this cargo __________. |
after encountering
rough weather |
daily, at sea
only |
after loading
and prior to arrival in port only |
daily |
International
Regulations for Cargoes, IMDG code |
|
A |
You are transporting
dangerous cargo on your vessel. The Dangerous Cargo Manifest must be signed
by the __________. |
Master or his
authorized representative |
shipper |
Master only |
U.S. Coast Guard
Marine Inspector |
International
Regulations for Cargoes, IMDG code |
|
C |
You have loaded
dangerous cargo on your vessel and must fill out a Dangerous Cargo Manifest.
In which publication would you find the requirements to complete this form? |
IMDG - International
Maritime Dangerous Goods |
33 CFR - Navigation
and Navigable Waters |
46 CFR - Shipping |
IMCO - Intergovernmental
Maritime Consultative Organization |
International
Regulations for Cargoes, IMDG code |
|
B |
You are loading
a cargo that includes cylinders of acetylene aboard your break bulk vessel.
Which statement is true? |
The cylinders
may be protected from the radiant heat of the Sun by laying a tarp on them. |
The cylinders
must be stowed at least 10 horizontal feet from corrosive materials in the
same space. |
Stowage in the
upper deck-deck is considered to be the equivalent of "on deck"
stowage for this cargo. |
The cylinders
must have a red label for flammability and a green label for compressed
gas. |
International
Regulations for Cargoes, IMDG code |
|
C |
All handling and
stowage of packaged hazardous materials on board a domestic vessel engaged
in foreign trade shall be done under the supervision of __________. |
a U.S. Coast Guard
Marine Inspector |
the National Cargo
Bureau |
an officer assigned
to the vessel |
the American Bureau
of Shipping |
International
Regulations for Cargoes, IMDG code |
|
C |
If you carry packaged
hazardous cargoes on a break bulk vessel bound foreign, you must __________. |
log the receipt
of hazardous cargoes in the Official Logbook |
stow the hazardous
cargoes on deck available for jettisoning if necessary |
have the shipping
papers indicate the proper shipping name and the technical name of n.o.s.
cargoes |
remove the hazardous
cargo labels from a portable tank after the tank is emptied |
International
Regulations for Cargoes, IMDG code |
|
D |
Many dangerous
cargoes are stowed on deck because of the __________. |
necessity of periodic
inspection |
danger to crew
and cargo |
possible need
to jettison |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
D |
You have completed
a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should
be kept in a conspicuous location __________. |
in the radio room |
in the ship's
office |
outside the Captain's
stateroom |
on or near the
bridge |
International
Regulations for Cargoes, IMDG code |
|
D |
The National Cargo
Bureau represents the __________. |
shipper |
operator |
agent |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
A |
Which spaces are
required to be segregated from cargo tanks carrying grades A, B, C, or D
cargoes? |
Navigation spaces |
Cofferdams |
Enclosed deck
spaces |
Pump rooms |
International
Regulations for Cargoes, IMDG code |
|
C |
What is NOT required
of the cargo tank venting on a tank barge carrying grade A liquids? |
Each cargo tank
must have a vent. |
A vent header
must be fitted with a pressure-vacuum valve. |
The diameter of
the vent must be greater than 4 inches in diameter. |
The vent must
extend to a reasonable height above the weather deck. |
International
Regulations for Cargoes, IMDG code |
|
C |
In special cases,
the Commandant of the Coast Guard may permit cargo piping to pass through
machinery spaces, what are the type(s) of cargo permitted to be carried
through such piping? |
grades A or B |
grades D or E |
grade E |
LFG |
International
Regulations for Cargoes, IMDG code |
|
D |
What must access
to a cargo pumproom on a tank vessel carrying grades A, B, C or D liquid
cargoes be? |
at least 13.1
feet away from the galleys, living quarters or navigation spaces |
only from areas
equipped with power ventilation systems |
isolated from
any part of the vessel which normally contains sources of vapor ignition |
from the open
deck |
International
Regulations for Cargoes, IMDG code |
|
D |
Air compressors
are NOT permitted in which space(s) on a tank barge carrying grade A cargo? |
A cargo handling
room |
A space in which
cargo hose is stored |
An enclosed space
containing cargo piping |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
D |
On a barge carrying
grade A cargo, who determines where smoking may be permitted during a loading
operation? |
The vessel owner |
The OCMI who issued
the Certificate of Inspection |
Smoking is not
permitted during a loading operation. |
The senior deck
officer on duty or certified tankerman |
International
Regulations for Cargoes, IMDG code |
|
C |
According to regulations,
cargo pump rooms, on the tank vessels handling grades A, B, or C liquid
cargo, shall be equipped with power ventilation of the exhaust type. What
is the time requirement to sufficiently effect a complete change of air? |
1 minute |
2 minutes |
3 minutes |
5 minutes |
International
Regulations for Cargoes, IMDG code |
|
B |
A vessel constructed
after 1970, carrying grades A, B, C or D cargoes, has enclosed spaces where
sources of vapor ignition are normally present. What is not required for
the segregation of these spaces from cargo tanks? |
cofferdams |
galleys |
pump rooms |
tanks used to
carry liquids having a flash point of 150°F or above |
International
Regulations for Cargoes, IMDG code |
|
B |
Regulations require
that cargo pumprooms on tank barges (constructed in 1965) carrying grades
B or C liquid cargoes have power ventilation systems. In what time period
can these systems completely change the air? |
1 minute |
3 minutes |
5 minutes |
10 minutes |
International
Regulations for Cargoes, IMDG code |
|
C |
Regulations require
that cargo tanks in which grades B or C liquids are carried must be vented
with which of the following? |
Flame screens |
Gooseneck vents |
Pressure vacuum
relief valves |
Forced draft blowers |
International
Regulations for Cargoes, IMDG code |
|
A |
What are tank
vessels handling grade B liquids required to have their cargo pumps separated
from all sources of vapor ignition by? |
gas tight bulkheads |
empty cargo spaces |
cofferdams |
areas equipped
with power ventilation |
International
Regulations for Cargoes, IMDG code |
|
C |
What are the minimum
ventilation requirements for pumprooms on tank vessels, constructed in 1960,
carrying grades B or C liquid cargo with machinery spaces located below
the freeboard deck? |
gooseneck vents
and flame screens |
that it be fitted
with at least two ducts extended to the weather deck |
that it be power
ventilation |
that it be connected
to a vent header system |
International
Regulations for Cargoes, IMDG code |
|
C |
In order to carry
a cargo of triethanolamine, what hull type is required? |
I |
II |
III |
IV |
International
Regulations for Cargoes, IMDG code |
|
C |
Who must approve
the carriage of a liquefied gas not appearing in table 4 of 46 CFR Part
154? |
Officer in Charge,
Marine Inspection |
vessel owner |
Commandant (G-MTH) |
American Bureau
of Shipping |
International
Regulations for Cargoes, IMDG code |
|
B |
Flammable liquids
should have what kind of label? |
White |
Red |
Yellow |
Skull and crossbones |
International
Regulations for Cargoes, IMDG code |
|
B |
Flammable liquids
should have what kind of label? |
Skull and crossbones |
Red |
Yellow |
White |
International
Regulations for Cargoes, IMDG code |
|
B |
According to the
Chemical Data Guide, which material is not compatible with vinylidene chloride
(inhibited)? |
Nickel |
Copper or copper
alloys |
Aluminum |
Stainless steel |
International
Regulations for Cargoes, IMDG code |
|
C |
Camphor oil is
classified as a __________. |
Grade A flammable
liquid |
Grade C flammable
liquid |
Grade D combustible
liquid |
Grade E combustible
liquid |
International
Regulations for Cargoes, IMDG code |
|
A |
Grade E combustible
liquids have a flash point of __________. |
150°F and above |
150°F and below |
below 80°F |
below 150°F and
above 80°F |
International
Regulations for Cargoes, IMDG code |
|
A |
Grade E combustible
liquids are those having flash points of __________. |
150°F or greater |
greater than 115°F
and less than 150°F |
greater than 80°F
and less than 115°F |
80°F or less |
International
Regulations for Cargoes, IMDG code |
|
D |
According to the
Chemical Data Guide, fuel oil number 6 has a flash point (degrees F) of
__________. |
65 |
80 - 100 |
110 - 140 |
150 - 430(cc) |
International
Regulations for Cargoes, IMDG code |
|
D |
According to the
Chemical Data Guide, which extinguishing agent is NOT recommended for use
on a retinol fire? |
Foam |
Dry chemical |
CO2 |
Water spray |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
Chemical Data Guide, what is NOT a recommended extinguishing agent for an
ethylene cyanohydrin fire? |
Dry chemical |
Alcohol foam |
Water fog |
CO2 |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, which material would corrode upon contact with aniline? |
Copper |
Nickel |
Mild steel |
Aluminum |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, what are the flammable limits of ethylene oxide? |
2 - 100 (%) |
2.7 - 34 (%) |
1.85 - 48.0 (%) |
1.9 - 88.0 (%) |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, ethylene oxide exhibits which fire and explosion hazard? |
It does not need
oxygen for combustion. |
It reacts with
water to provide flammable vapors. |
Its flash point
is 80.4°F. |
It breaks down
into highly toxic fumes of bromides. |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
Chemical Data Guide, what does ethyl chloride produce when ignited? |
Poisonous chlorine
gas |
Toxic fumes of
lead |
Poisonous phosgene
gas |
Toxic fumes of
oxides of nitrogen |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
Chemical Data Guide, propylene oxide is assigned a health hazard rating
of 3,2,2. What does the last digit "2" of the rating mean? |
chemical vapors
will cause a slight smarting of the eyes or respiratory system if present
in high concentrations |
the chemical is
severely hazardous, usually having threshold limits below 10 ppm |
the chemical poison
presents some hazard if it enters the body and typically has threshold limits
of 100 to 500 ppm |
the chemical contains
fairly severe skin irritants, causing second- and third-degree burns after
a few minutes contact |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
Chemical Data Guide, what is a recommended extinguishing agent for an ethyl
chloride fire? |
Carbon Tetrachloride |
Alcohol foam |
CO2 |
Water foam |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, which extinguishing agent is recommended for use in
fighting an ethylamine fire? |
Dry chemical |
Water foam |
Water fog |
Sand or Sawdust |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
Chemical Data Guide, what does the grade B flammable liquid carbon disulfide
produce when burning? |
carbon tetrachloride |
phosgene gas |
sulfur dioxide
gas |
sulfuric acid
gas |
International
Regulations for Cargoes, IMDG code |
|
D |
According to the
Chemical Data Guide, the flash point for the grade B flammable liquid piperylene
is __________. |
108°F |
43°C |
not available |
-20°F |
International
Regulations for Cargoes, IMDG code |
|
B |
According to the
Chemical Data Guide, piperylene possesses which characteristic? |
A boiling point
of 43°F |
Insoluble in water |
A Reid vapor pressure
of 14 psia |
Specific Gravity
of 0.86 |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, 1,3 - pentadiene possesses which characteristic? |
Colorless liquid,
faint odor |
Straw-colored
liquid, sweet-odor |
Colorless liquid,
mild aromatic odor |
Pale yellow liquid,
strong odor |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, to what chemical family does 1,3 - pentadiene belong? |
Olefins |
Unsaturated hydrocarbons |
Esters |
Phosphorus |
International
Regulations for Cargoes, IMDG code |
|
A |
According to the
Chemical Data Guide, what is the Reid Vapor Pressure of tert-butylamine? |
11 (psig) |
12 (psig) |
13 (psig) |
14 (psig) |
International
Regulations for Cargoes, IMDG code |
|
B |
According to the
Chemical Data Guide, what is a characteristic of allyl chloride? |
It has sour odor. |
It is classified
as a grade B poison. |
It is chemically
unstable |
It may be stored
in steel tanks |
International
Regulations for Cargoes, IMDG code |
|
C |
According to the
chemical data guide, what type of odor would you smell if a leak occurred
while loading diethylenetriamine? |
gasoline |
rotten eggs |
ammonia |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
D |
Grade D liquids
are those having flash points of __________. |
80°F or less |
212°F or greater |
150°F or greater
but less than 212°F |
greater than 80°F
and less than 150°F |
International
Regulations for Cargoes, IMDG code |
|
B |
According to the
Chemical Data Guide, epichlorohydrin is a(n) __________. |
corrosive |
class B poison |
oxidizer |
explosive |
International
Regulations for Cargoes, IMDG code |
|
D |
According to the
Chemical Data Guide, which extinguishing agent should be used on a petrolatum
fire in an open area? |
Dry chemical |
Monoxide powders |
CO2 |
Foam |
International
Regulations for Cargoes, IMDG code |
|
C |
Nonflammable gases
should have what kind of label? |
Red |
Skull and crossbones |
Green |
White |
International
Regulations for Cargoes, IMDG code |
|
C |
Nonflammable gases
should have what kind of label? |
Skull and crossbones |
Red |
Green |
White |
International
Regulations for Cargoes, IMDG code |
|
D |
The flash point
of vinyl chloride is __________. |
-20°F (-29°C) |
97°F (36°C) |
32°F (0°C) |
-108°F (-78°C) |
International
Regulations for Cargoes, IMDG code |
|
C |
Another name for
coal naphtha that would appear on a dangerous cargo manifest is __________. |
tar |
middle oil |
benzene |
toluene |
International
Regulations for Cargoes, IMDG code |
|
D |
You are loading
a cargo tank on your container ship. The tank displays the red label as
shown in illustration D023DG below. Which statement is TRUE? |
The tank's volume
is 1077 cubic feet. |
There are three
tanks in the shipment. |
The tank contains
an oxidizing material. |
The tank contains
propylene. |
International
Regulations for Cargoes, IMDG code |
|
B |
Which statement
concerning castor oil is TRUE? |
It has a specific
gravity of 1.3. |
It is a grade
E combustible liquid. |
It has a Reid
vapor pressure of 9.5. |
The boiling point
is 215°F (102°C). |
International
Regulations for Cargoes, IMDG code |
|
D |
What produces
the MOST dangerous vapors? |
Camphor oil |
Pentane |
Methyl alcohol |
Anhydrous ammonia |
International
Regulations for Cargoes, IMDG code |
|
A |
What is the MOST
irritating to the skin? |
Oleum |
Ethyl alcohol |
Isoprene |
Carbon disulfide |
International
Regulations for Cargoes, IMDG code |
|
C |
What is an explosion
hazard when exposed to flame? |
Tallow |
Nitrous oxide |
Toluene |
Formic acid |
International
Regulations for Cargoes, IMDG code |
|
B |
Sulfuric acid
is a __________. |
whitish liquid
with a faint, pleasant odor |
colorless-to-brown
liquid with a choking odor when hot |
colorless liquid
with a pleasant fruity odor |
clear syrupy liquid
with no odor |
International
Regulations for Cargoes, IMDG code |
|
C |
Which statement
is TRUE concerning toluene? |
Its Reid Vapor
Pressure is 9.4. |
The boiling point
is 174°F. |
It is an aromatic
hydrocarbon. |
It is classified
as a grade A flammable liquid. |
International
Regulations for Cargoes, IMDG code |
|
B |
What is a solid
at ambient temperature? |
Methyl chloride |
Napthalene |
Aniline |
Formic acid |
International
Regulations for Cargoes, IMDG code |
|
B |
Which flash point
would indicate a grade E combustible liquid? |
140°F |
155°F |
80°F |
75°F |
International
Regulations for Cargoes, IMDG code |
|
C |
Vinyl chloride
reacts dangerously with __________. |
alkalies |
saltwater |
concentrated nitric
acid |
organic acids |
International
Regulations for Cargoes, IMDG code |
|
C |
Heavy fuel oils
when spilled are __________. |
easier to clean
up than lighter refined oils |
more harmful to
sea life than lighter oils |
less harmful to
sea life than lighter oils |
not a real threat
to marine life |
International
Regulations for Cargoes, IMDG code |
|
D |
Containers of
flammable solids should be conspicuously labeled by the shipper with a __________. |
yellow label |
orange label |
green label |
red and white
label |
International
Regulations for Cargoes, IMDG code |
|
D |
The label required
for magnesium scrap is __________. |
oxidizer |
yellow |
corrosive |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
C |
Corrosive liquids
and acids should have which kind of label? |
Yellow and white |
Red and white |
White and black |
Skull and crossbones |
International
Regulations for Cargoes, IMDG code |
|
C |
Cottonseed oil
is classed as a __________. |
poison B |
flammable liquid |
combustible liquid |
flammable solid |
International
Regulations for Cargoes, IMDG code |
|
C |
Argon is classified
as a __________. |
flammable liquid |
flammable gas |
nonflammable gas |
corrosive |
International
Regulations for Cargoes, IMDG code |
|
A |
The label required
on containers carrying barium oxide in an international shipment must read
__________. |
"Poison" |
"Infectious
Substance" |
"Radioactive" |
"Spontaneously
Combustible" |
International
Regulations for Cargoes, IMDG code |
|
C |
A package contains
nitric acid solution and is radioactive. The radiation level at the package
surface is .36 millirems per hour. How should this package be labeled? |
Radioactive II
and oxidizer |
Radioactive II
and poison |
Radioactive I
and corrosive |
Fissile class
I |
International
Regulations for Cargoes, IMDG code |
|
A |
You are on a containership
carrying a tank container that had been filled with sodium hydroxide solution.
The container is empty but has not been cleaned. Which, if any, placard
is required? |
Black and white
corrosive placard |
Empty placard
with corrosive placard |
Residue label
with the UN number |
No placard is
required; the tank openings must be sealed |
International
Regulations for Cargoes, IMDG code |
|
C |
Your containership
has a container displaying a hazardous cargo placard. The placard has the
number 2206 on it. This indicates that it is carrying what cargo? |
Xylenol |
Propadiene, inhibited |
Isocyanates, n.o.s. |
Hexanols |
International
Regulations for Cargoes, IMDG code |
|
D |
Your containership
has a container displaying a hazardous cargo placard. The placard has the
number 2282 on it. This indicates that it is carrying what cargo? |
Furan |
Phosphine |
Isoheptene |
Hexanols |
International
Regulations for Cargoes, IMDG code |
|
B |
Your containership
has a container displaying a hazardous cargo placard. The placard has the
number 2199 on it. This indicates that it is carrying what cargo? |
Adiponitrile |
Phosphine |
Xylenol |
Furan |
International
Regulations for Cargoes, IMDG code |
|
D |
Your containership
has a container displaying a hazardous cargo placard. The placard has the
number 2224 on it. This indicates that it is carrying what cargo? |
Acrylic acid |
Propadiene, inhibited |
Hexanol |
Benzonitrile |
International
Regulations for Cargoes, IMDG code |
|
C |
Corrosive liquids
and acids should have what kind of label? |
Red |
Skull and crossbones |
White |
Yellow |
International
Regulations for Cargoes, IMDG code |
|
A |
What is the threshold
limit value (TLV) for a product of PHTHALIC ANHYDRIDE? |
1 ppm |
2 ppm |
3 ppm |
4 ppm |
International
Regulations for Cargoes, IMDG code |
|
D |
What is the TLV
of cyclohexanol? |
20 ppm |
30 ppm |
40 ppm |
50 ppm |
International
Regulations for Cargoes, IMDG code |
|
A |
Which of the following
product(s) would be classified as grade E? |
Bunker C |
Gasoline |
Kerosene |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
C |
The appearance
of Bunker C and fuel oils are dark colored liquids, and __________. |
soluble oils |
cutting oils |
viscous oils |
slop oils |
International
Regulations for Cargoes, IMDG code |
|
A |
When heated to
breakdown, tetraethyl or tetramethyl lead compounds emit highly toxic fumes
of __________. |
lead |
bromide |
phosgene |
hydrogen gas |
International
Regulations for Cargoes, IMDG code |
|
A |
You are loading
propanolamine and spill a small quantity on deck. According to the Chemical
Data Guide, you would expect its odor to be __________. |
fishy |
similar to ammonia |
similar to turpentine |
sweet |
International
Regulations for Cargoes, IMDG code |
|
C |
What is classified
as a combustible liquid? |
Carbon tetrachloride |
Acetaldehyde |
Tetraethylene
glycol |
Ethyl alcohol |
International
Regulations for Cargoes, IMDG code |
|
D |
If you came into
contact with nitrobenzene while disconnecting the cargo hose, you should
be aware that it is __________. |
highly toxic when
absorbed through the skin |
a nerve poison |
a blood poison |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
A |
What are the health
hazard ratings for a product of triethylbenzene? |
1,1,1 |
2,2,2 |
0,1,1 |
Unavailable |
International
Regulations for Cargoes, IMDG code |
|
D |
In order to determine
the health hazard data for carbolic acid, you would use that information
contained in the Chemical Data Guide for which chemical? |
Acetic oxide |
Carbinol |
Carbon bisulfide |
Phenol |
International
Regulations for Cargoes, IMDG code |
|
D |
Triethylene glycol
fires may be extinguished by __________. |
carbon dioxide |
dry chemical |
alcohol foam |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
D |
What is NOT a
grade E product? |
Creosote coal
tar |
Formic acid |
Dioctyl-phthalate |
Gasoline |
International
Regulations for Cargoes, IMDG code |
|
B |
A synonym for
chloroform is __________. |
sulfuric chlorohydrin |
trichloromethane |
4-methyl phenol |
chlorine gas |
International
Regulations for Cargoes, IMDG code |
|
A |
You are loading
benzyl chloride and a small quantity spills on deck. According to the Chemical
Data Guide, which of the following may be used as a substitute for water
for the cleanup procedure? |
Sodium carbonate |
Sodium bisulfite |
Alcohol |
Soda ash solution |
International
Regulations for Cargoes, IMDG code |
|
B |
Severe exposure
to chlorine gas can be fatal. Chlorine gas is primarily a __________. |
blood poisoning
agent |
respiratory irritant |
nerve paralyzing
irritant |
skin burning agent |
International
Regulations for Cargoes, IMDG code |
|
D |
What is the proper
first aid for LPG in the eye? |
Keep the eyelid
closed. |
Apply an ice pack
to the eye. |
Rub the eye area
clean. |
Flush the eye
with plenty of water. |
International
Regulations for Cargoes, IMDG code |
|
C |
What is the Reid
vapor pressure of a Grade A flammable liquid? |
5 to 8 1/2 psia |
more than 8 1/2
psia but less than 14 psia |
14 psia or more |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
B |
You are transferring
a cargo of ethyl chloride and a small amount spills into the water around
your vessel. What does the Chemical Data Guide indicate is the solubility
of ethyl chloride in water? |
negligible |
slight |
complete |
moderate |
International
Regulations for Cargoes, IMDG code |
|
B |
What is an example
of a grade A flammable liquid? |
Ethyl acetate |
iso-Propylamine |
Morpholine |
Acetone |
International
Regulations for Cargoes, IMDG code |
|
C |
What is an example
of a grade A flammable liquid? |
Methyl alcohol |
Ethylene dibromide |
Pentane |
Nonyl phenol |
International
Regulations for Cargoes, IMDG code |
|
B |
During transfer
operations, ethyl chloride spills into the water. According to the Chemical
Data Guide, at what temperature will the ethyl chloride boil off the water? |
above 46°F |
above 54°F |
above 60°F |
above 68°F |
International
Regulations for Cargoes, IMDG code |
|
B |
During transfer
operations, a quantity of propylamine spills on deck. According to the Chemical
Data Guide, what is the correct reaction? |
move to a position
upwind of the spill and allow the product to boil off |
add sodium bisulfate
on the contaminated surface and spray it down with water |
cover the contaminated
surface with soda-ash-soaked lime solution |
immediately flush
the spill with large quantities of fresh water |
International
Regulations for Cargoes, IMDG code |
|
B |
Which extinguishing
agent is effective in combating an isoprene fire? |
Absorbent C |
Foam |
Water fog |
Any isoprene inhibitor |
International
Regulations for Cargoes, IMDG code |
|
C |
What is the lowest
temperature at which a liquid gives off sufficient vapors to form a flammable
mixture with air in the presence of an ignition source? |
autoignition temperature |
reid vapor index |
flash point |
flammable range |
International
Regulations for Cargoes, IMDG code |
|
A |
What is the flash
point of iso-Hexane? |
-10°Fahrenheit |
20°Centigrade |
68°Fahrenheit |
152°Centigrade |
International
Regulations for Cargoes, IMDG code |
|
B |
Which fire extinguishing
agent can NOT be used on an ethylenediamine? |
Alcohol foam |
Water foam |
Dry chemical powder |
Water fog |
International
Regulations for Cargoes, IMDG code |
|
B |
What is the Vapor
pressure of ethylene oxide at 46° C? |
15.2 (psia) |
48.0 (psia) |
10.9 (psia) |
38.5 (psia) |
International
Regulations for Cargoes, IMDG code |
|
B |
To what chemical
family does ethylene oxide belong? |
Esters |
Alkylene oxides |
Glycol ethers |
Alcohols |
International
Regulations for Cargoes, IMDG code |
|
B |
What is the Reid
vapor pressure of a grade B product? |
9 1/2 psia and
a flash point of 95°F |
more than 8 1/2
psia but less than 14 psia and a flash point of 72°F |
above 14 psia |
7 psia and a flash
point of 80°F |
International
Regulations for Cargoes, IMDG code |
|
A |
To what chemical
family does chlorallylene belong? |
Substituted allyl |
Alcohols |
Glycol ethers |
Esters |
International
Regulations for Cargoes, IMDG code |
|
D |
What is the Reid
vapor pressure of allyl chloride? |
16.5 (psia) |
14.0 (psia) |
12.9 (psia) |
10.3 (psia) |
International
Regulations for Cargoes, IMDG code |
|
B |
What is the boiling
point of carbon disulfide? |
167°F |
115°F |
111°F |
46°F |
International
Regulations for Cargoes, IMDG code |
|
C |
Which of the following
is classified as a flammable liquid? |
Bunker C |
Mineral spirits |
Methyl alcohol |
Butane |
International
Regulations for Cargoes, IMDG code |
|
C |
Which is an example
of a grade B flammable liquid? |
Phenol |
Acetaldehyde |
Carbon disulfide |
Allyl alcohol |
International
Regulations for Cargoes, IMDG code |
|
D |
What is a grade
B flammable liquid? |
Ethylene oxide |
Allyl alcohol |
Paraldehyde |
Chlorallylene |
International
Regulations for Cargoes, IMDG code |
|
A |
Which is a grade
B flammable liquid? |
Carbon Disulfide |
Ethyl Chloride |
Butadiene |
Carbon Tetrachloride |
International
Regulations for Cargoes, IMDG code |
|
C |
Which extinguishing
agent is recommended in the Chemical Data Guide for use on a carbon disulfide
fire? |
Alcohol foam |
Water fog |
Dry chemical |
Chemical foam |
International
Regulations for Cargoes, IMDG code |
|
A |
Which of the following
would be a good extinguishing agent for a grade B product of 1,3-Pentadiene? |
Foam |
Low Velocity Fog |
High Velocity
Fog |
Water |
International
Regulations for Cargoes, IMDG code |
|
B |
What is a major
health hazard of the product tert-butylamine? |
can be absorbed
through the skin |
causes irreversible
damage to eye tissue |
is a very unstable
product |
it reacts to protective
rubber gear |
International
Regulations for Cargoes, IMDG code |
|
B |
Which of the flash
points would indicate a grade D combustible liquid? |
65°F |
87°F |
160°F |
155°F |
International
Regulations for Cargoes, IMDG code |
|
B |
Which flash point
would indicate a grade D combustible liquid? |
40°F |
95°F |
79°F |
155°F |
International
Regulations for Cargoes, IMDG code |
|
B |
An example of
a grade D product is __________. |
aviation gas grade
115/145 |
kerosene |
heavy fuel oil |
commercial gasoline |
International
Regulations for Cargoes, IMDG code |
|
D |
Which cargo is
considered volatile? |
Bunker C |
Sweet oil |
Turkey-red oil |
iso-Propylamine |
International
Regulations for Cargoes, IMDG code |
|
B |
You are loading
epichlorohydrin onto your barge. According to the Chemical Data Guide, you
could expect to detect a leak by smell if the concentration in air was at
least __________. |
2 ppm |
10 - 25 ppm |
40 ppm |
105 ppm |
International
Regulations for Cargoes, IMDG code |
|
D |
In order to determine
the fire and explosion hazard data for naphtha, you would use that information
contained in the Chemical Data Guide for which chemical? |
Tar camphor |
Napthalene |
Treacle |
Mineral spirits |
International
Regulations for Cargoes, IMDG code |
|
B |
Depending on its
concentration, which product(s) can be classified as either grade D or E? |
Sulfuric acid |
Formaldehyde solutions
37% to 50% |
1,1,1-trichloroethane |
All of the above. |
International
Regulations for Cargoes, IMDG code |
|
A |
The flash point
of a product is 100°F. What can happen if it is heated above 110°F? |
It may burn and
explode if an ignition source is present. |
It will become
less volatile and easier to handle. |
It will boil off
to the atmosphere. |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
C |
If a cargo of
kerosene were considered "too lean" to explode, then it must be
__________. |
within the "explosive
range" |
above the "explosive
range" |
below the "explosive
range" |
None of the above |
International
Regulations for Cargoes, IMDG code |
|
D |
If a crew member
is exposed to phenol by way of skin or eye contact, you should IMMEDIATELY
__________. |
give victim stimulant |
treat victim for
shock |
administer oxygen |
flush skin and
eyes with water |
International
Regulations for Cargoes, IMDG code |
|
D |
When measuring
the oxygen content of the cargo tanks prior to loading cargoes requiring
vapor recovery, check it __________. |
one half the ullage
of the tank and one meter above the tank bottom |
at three meter
intervals from the tank top to the bottom |
one meter from
the tank bottom and one meter below the tank top |
one half the ullage
of the tank and one meter below the tank top |
Load on Top Procedures |
|
B |
With an increase
in temperature the volume of flammable and combustible liquids __________. |
contracts |
expands |
remains constant
if pressure remains constant |
remains constant |
Load on Top Procedures |
|
D |
Where would you
expect to find a "charged mist" on a tanker? |
In a common vent
header during tank ballasting. |
In a cargo tank
during inerting operations. |
In the overflow
line while topping off. |
In a cargo tank
during "Butterworthing". |
Load on Top Procedures |
|
D |
What is NOT a
precaution to be taken when topping off? |
Reduce the loading
rate. |
Maintain communications
with the dock man. |
Give the operation
your undivided attention. |
Notify the engine
room of the procedure. |
Load on Top Procedures |
|
D |
When loading bulk
liquid cargo, what is the FIRST action you should take if a cargo valve
jammed open? |
Trip the pump
relief valve. |
Call the owner,
operator, or terminal supervisor. |
Run out the vessel's
or terminal's fire hose. |
Order the dock
man to shut down. |
Load on Top Procedures |
|
A |
Petroleum cargo
tanks should not be topped off at deck level when loading on a cold day
because __________. |
a subsequent temperature
rise will cause the cargo to overflow |
the increased
viscosity of the product requires higher loading pressure which increases
the chances of a spill |
air pockets may
cause the cargo to bubble out of the ullage hole |
the tank valve
may be stiff and a spill will occur before the valve can be closed |
Load on Top Procedures |
|
B |
Your tank vessel
is loaded down to her marks, and you find that she has too much trim by
the stern. To adjust the trim you may __________. |
add ballast forward |
shift bunkers
forward |
load more cargo
forward |
All of the above. |
Load on Top Procedures |
|
C |
Your tank vessel
is fully loaded, and you find that she is down slightly by the head. To
adjust the trim, you may __________. |
add ballast aft |
load more cargo
aft |
shift cargo aft |
All of the above. |
Load on Top Procedures |
|
C |
Which factor must
be considered when determining the order of loading of dissimilar products
through the same piping system aboard a tanker? |
Reid vapor pressures |
Specific gravities |
Contamination
of the cargo |
Flash points |
Load on Top Procedures |
|
B |
When loading a
tanker, you should __________. |
keep the seamen
on watch on standby in the mess room |
close valves by
closing them down, reopening one or two turns, and re-closing |
keep a strain
on the loading hoses |
load only one
tank at a time |
Load on Top Procedures |
|
D |
A vessel loads
edible oil in a deep tank through a manhole at the mid-length of the tank.
In order to fill the tank to maximum capacity, what trim should the vessel
have? |
Down by the bow |
Down by either
the bow or stern |
Down by the stern |
In level trim |
Load on Top Procedures |
|
B |
In controlling
pollution, which action should be taken after all dirty ballast has been
transferred to the slop tank and prior to discharge through the oily water
separator? |
The dirty ballast
tank is crude oil washed. |
The slops should
be allowed time to settle. |
The clean tanks
should be ballasted. |
Chemicals should
be added to emulsify the oil. |
Load on Top Procedures |
|
B |
According to U.S.
regulations, how much hose should you use in transferring oil in bulk? |
One and one half
times the distance between ship and dock. |
Sufficient for
maximum vessel movement without straining the hoses. |
Twice the distance
between ship and dock. |
Not over 300 feet
(91.4 m) of hose. |
Load on Top Procedures |
|
C |
The term "load
on top" is used on many crude oil carriers, what is this a method for? |
loading ballast
by gravity |
calculating the
ullage in the cargo tanks |
the loading of
new cargo into a decanted slop tank as a procedure to minimize pollution |
calculating the
ratio of cargo expansion in a cargo tank |
Load on Top Procedures |
|
D |
Where do you check
when measuring the oxygen content of the cargo tanks prior to loading cargoes
requiring vapor recovery? |
at three meter
intervals from the tank top to the bottom |
one half the ullage
of the tank and one meter above the tank bottom |
one meter from
the tank bottom and one meter below the tank top |
one half the ullage
of the tank and one meter below the tank top |
Load on Top Procedures |
|
A |
To prevent the
overflow of cargo tanks due to expansion, where should you top off? |
to within 1% to
3% of its capacity |
to the bottom
of the expansion trunk |
1 to 3 inches
from top of the vent pipe |
to within 1 to
3 inches of its capacity |
Load on Top Procedures |
|
D |
A vessel loads
edible oil in a deep tank through a manhole at the mid-length of the tank.
In order to fill the tank to maximum capacity, what trim should the vessel
have? |
Down by either
the bow or stern |
Down by the bow |
Down by the stern |
In level trim |
Load on Top Procedures |
|
C |
When loading a
petroleum cargo which is below average ambient temperatures, You must do
which of the following? |
verify vapor baffles
are installed |
verify the vents
are sealed |
verify there is
room for expansion |
All of the above. |
Load on Top Procedures |
|
B |
Petroleum cargo
tanks should not be topped off at deck level when loading on a cold day
due to which of the following? |
air pockets may
cause the cargo to bubble out of the ullage hole |
a subsequent temperature
rise will cause the cargo to overflow |
the tank valve
may be stiff and a spill will occur before the valve can be closed |
the increased
viscosity of the product requires higher loading pressure which increases
the chances of a spill |
Load on Top Procedures |
|
A |
The terminal indicates
to you that they are going to use a booster pump to assist the discharging
operation. You start the discharge, and in a few minutes the pressure drops
sharply. This could be a result of the __________. |
booster pump coming
on the line and discharging properly |
booster pump being
lined up in the wrong direction |
ship's pump speeding
up |
booster pump failing
to start |
Loading and Discharging
Operations |
|
C |
When stripping
a tank, excessive air in the suction line may cause __________. |
an over pressurized
line |
increase of suction |
loss of suction |
back pressure |
Loading and Discharging
Operations |
|
A |
While discharging
a tanker, list can be controlled by __________. |
using wing tanks
near the longitudinal center, discharging as necessary |
using the after
peak tank, loading as necessary |
using a center
tank near the bow, discharging as necessary |
shoreside personnel |
Loading and Discharging
Operations |
|
B |
When discharging
an oil cargo, the first consideration is to __________. |
discharge from
the wings first |
get the bow up |
discharge from
the centerline tanks first |
discharge from
amidships first |
Loading and Discharging
Operations |
|
A |
Which tanker discharge
pattern would be the safest and most efficient? |
Start discharging
with most of the discharge coming from forward, but include some from midships
and after tanks |
Start pumping
from forward, midships, and aft with the discharge distributed equally among
the tanks |
Start pumping
from midships and then work forward and aft simultaneously as the midships
tank is emptied |
Empty the forward
tanks and start working aft, emptying each tank in sequence |
Loading and Discharging
Operations |
|
C |
You are on a tankship
discharging oil. When all of the oil that the main cargo pumps can handle
is pumped out of a tank, the remainder is __________. |
stripped out and
pumped directly ashore into the mainline as the remaining cargo tanks are
pumped out with the main pumps |
gravitated to
the centers from the wings and pumped out with the main pumps |
stripped to one
tank and then pumped out with the main pumps |
stripped out and
pumped directly ashore after all the tanks have been emptied by the main
pumps |
Loading and Discharging
Operations |
|
C |
Which tanker discharge
pattern would be the safest and most efficient? |
Empty the forward
tanks and start working aft, emptying each tank in sequence |
Start pumping
from midships and then work forward and aft simultaneously as the midships
tank is emptied |
Start discharging
with most of the discharge coming from forward, but include some from midships
and after tanks |
Start pumping
from forward, midships, and aft with the discharge distributed equally among
the tanks |
Loading and Discharging
Operations |
|
D |
You are on a tankship
discharging oil. what happens to the remaining oil when all of the oil that
the main cargo pumps can handle is pumped out of a tank? |
the remainder
is gravitated to the centers from the wings and pumped out with the main
pumps |
the remainder
is stripped out and pumped directly ashore after all the tanks have been
emptied by the main pumps |
the remainder
is stripped out and pumped directly ashore into the mainline as the remaining
cargo tanks are pumped out with the main pumps |
the remainder
is stripped to one tank and then pumped out with the main pumps |
Loading and Discharging
Operations |
|
A |
While discharging
a cargo, the stripping of the tanks falls behind schedule. What does this
indicate? |
main pumps are
leaving too much oil in the tanks |
stripping pump
is not primed |
stripping line
is cross-connected to the main line |
main pumps are
working at a high discharge pressure |
Loading and Discharging
Operations |
|
D |
According to U.S.
regulations, which conditions would not disqualify a nonmetallic hose as
being suitable for use in transferring oil? |
Evidence of internal
or external deterioration. |
A small cut in
the hose cover which just pierces the reinforcement. |
A slight oil seepage
between the hose and flange connection. |
A leak in the
flange gasket while hydrostatically testing the hose. |
Loading and Discharging
Operations |
|
B |
According to U.S.
regulations, which of the following conditions would disqualify a nonmetallic
hose as being suitable for use in transferring oil? |
A cut in the cover
which makes the reinforcement visible. |
Evidence of internal
or external deterioration. |
The hose has not
been tested in the last 180 days. |
A blown gasket
when hydrostatic test pressure is applied. |
Loading and Discharging
Operations |
|
B |
According to U.S.
regulations, no person may transfer oil to or from a vessel unless each
person in charge has signed what document? |
oil record book |
declaration of
inspection |
certificate of
inspection |
valve inspection
record |
Loading and Discharging
Operations |
|
C |
According to U.S.
regulations, which of the following describes the declaration of inspection? |
paper issued by
the Coast Guard marine inspector which allows you to conduct a transfer
operation |
application you
must complete and submit to the Coast Guard to have an inspector visit your
vessel |
document signed
by vessel and shore facility persons-in-charge declaring that all transfer
requirements have been met |
annual report
submitted by vessel personnel to the Coast Guard declaring that all transfer
equipment has been inspected |
Loading and Discharging
Operations |
|
B |
Your tank vessel
is fully loaded to the marks, and you find that she is down slightly by
the head. Which of the following choices would be the best action to take
to trim the vessel slightly by the stern? |
load more cargo
aft |
shift cargo aft |
shift ballast
from the aft to forward |
add ballast aft |
Loading and Discharging
Operations |
|
A |
What is NOT a
precaution to be taken when topping off? |
Notify the engine
room of the procedure. |
Give the operation
your undivided attention. |
Reduce the loading
rate. |
Maintain communications
with the dock man. |
Loading and Discharging
Operations |
|
D |
U.S. regulations
require which of the following upon completion of oil transfer operations? |
all soundings
shall be entered in the oil record book |
all persons on
duty during oil transfer shall be accounted for |
all hoses shall
be blown down with air |
all valves used
during transfer shall be closed |
Loading and Discharging
Operations |
|
D |
Which of the following
describes the Declaration of Inspection required prior to the transfer of
fuel? |
it requires the "Discharge
of Oil Prohibited" placard to be posted at the gangway |
it is the same
as the Certificate of Inspection |
it describes the
procedure for draining the sumps of oil lubricated machinery into the bilges
of U.S. vessels |
it must be signed
by both the person-in-charge of the pumping and the person-in-charge of
receiving |
Loading and Discharging
Operations |
|
A |
On tankers ullages
are measured from what point? |
an above-deck
datum such as the top of the ullage pipe |
the tank ceiling
aboard transversely framed vessels |
the tank top |
a thievage mark
below the edge of the deck |
Loading and Discharging
Operations |
|
A |
What does the
sign used to caution persons approaching the gangway of a tank barge during
cargo transfer read? |
"Warning,
No Smoking, No Open Lights, No Visitors" |
"Warning,
Keep Off, Stay Clear" |
"Danger,
Do Not Board" |
"Dangerous
Cargo Being Transferred" |
Loading and Discharging
Operations |
|
D |
On tankers using
manually operated tank valves, what does the deck hand wheel indicator register? |
exact lift position
of the tank valve disk, through 100% of its operation |
oxygen content
of the tank |
level of oil in
the tank |
approximate number
of turns the tank valve has been opened |
Loading and Discharging
Operations |
|
D |
Each pressure
gauge used in an oil transfer operation must be accurate to within what
percent? |
1 (%) |
3 (%) |
5 (%) |
10 (%) |
Loading and Discharging
Operations |
|
D |
Cargo hose carried
on tank vessels shall be able to withstand a pressure of at least how many
psi? |
75 psi |
100 psi |
120 psi |
150 psi |
Loading and Discharging
Operations |
|
D |
Each pressure
gauge used in an oil transfer operation must be accurate to within what
percent? |
1 percent |
3 percent |
5 percent |
10 percent |
Loading and Discharging
Operations |
|
D |
When loading a
tanker, you should do which of the following? |
load only one
tank at a time |
keep a strain
on the loading hoses |
keep the seamen
on watch on standby in the mess room |
close valves by
closing them down, reopening one or two turns, and re-closing |
Loading and Discharging
Operations |
|
D |
What is the purpose
of the relief valve of a cargo pump? |
Provides for the
removal of vapors |
Allows two or
more tanks to be filled at the same time |
Provides for the
emergency shutdown of the pump |
Permits the return
of cargo to the suction side of the pump |
Loading and Discharging
Operations |
|
C |
When two ballast
pumps used for deballasting a single tank start cavitating, what action
should you take? |
close the valve
on the discharge side of the pump to re-acquire suction |
open all valves
on the discharge side to permit improved flow |
shut down one
pump |
close the valve
on the suction side of the ballast pump to re-prime the pump |
Loading and Discharging
Operations |
|
D |
Which refers to
the depth of a petroleum product in a tank? |
Thievage |
Ullage |
Outage |
Innage |
Loading and Discharging
Operations |
|
B |
When tank cleaning
with a portable machine, how is the weight of the machine is suspended? |
a wire rope suspension
line |
a natural fiber
tag line, saddle and hose |
a portable davit |
solid metal bars
clamped to the Butterworth opening |
Loading and Discharging
Operations |
|
B |
When discharging
a tanker, how can list be controlled? |
by using a center
tank near the bow, discharging as necessary |
by using wing
tanks near the longitudinal center, discharging as necessary |
by shoreside personnel |
by using the after
peak tank, loading as necessary |
Loading and Discharging
Operations |
|
D |
"Line Displacement"
is a procedure that is followed at an oil terminal facility, when there
is a change of which of the following? |
cargo lines at
the terminal before loading |
product before
the start of loading |
product after
the final discharge |
product during
the final phase of loading |
Loading and Discharging
Operations |
|
A |
When loading bulk
liquid cargo, what is the first action you should take if a cargo valve
jammed open? |
Order the dock
man to shut down. |
Run out the vessel
or terminal fire hose. |
Call the owner,
operator, or terminal supervisor. |
Unplug the deck
scuppers. |
Loading and Discharging
Operations |
|
C |
While loading
bulk liquid cargo, a tank valve jams open, what is the first action you
should take? |
unplug the deck
scuppers |
call the chief
engineer |
order the shore
facility to shut down |
run out the vessels
fire hose |
Loading and Discharging
Operations |
|
D |
Who must supervise
functions aboard a tanker or tank barge such as connecting, disconnecting,
and topping off? |
the Master of
the vessel |
the officer of
the watch |
any certificated
tankerman |
the person designated
as "person in charge" |
Loading and Discharging
Operations |
|
A |
When stripping
a tank, what is caused by excessive air in the suction line? |
loss of suction |
increase of suction |
back pressure |
an over pressurized
line |
Loading and Discharging
Operations |
|
B |
What is the distance
between the surface of the liquid and the tank top in a cargo tank called? |
thievage |
ullage |
tankage |
innage |
Loading and Discharging
Operations |
|
C |
Which of the following
is equivalent to a "barrel", which is a unit of liquid measure? |
40 U.S. gallons
at 50°F |
43 U.S. gallons
at 65°F |
42 U.S. gallons
at 60°F |
45 U.S. gallons
at 75°F |
Loading and Discharging
Operations |
|
D |
What is meant
by "thieving" a petroleum cargo? |
Siphoning off
a few barrels of petroleum for shipboard use. |
Reducing the gross
cargo calculations to net amounts. |
Adjusting the
cargo figures to coincide with the draft. |
Determining the
amount of water (if any) in each cargo tank. |
Loading and Discharging
Operations |
|
C |
What is NOT a
precaution to be taken when topping off? |
Maintain communications
with the dock man. |
Reduce the loading
rate. |
Notify the engine
room of the procedure. |
Give the operation
your undivided attention. |
Loading and Discharging
Operations |
|
B |
You start a centrifugal
cargo pump to discharge cargo. The pump works fine for awhile and then loses
suction. What could have caused this? |
the pump running
backwards |
incomplete priming |
the discharge
head being too high |
head pressure
on the suction side of the pump |
Loading and Discharging
Operations |
|
D |
What is litmus
paste is used to determine? |
ullage |
the tank datum
point |
innage |
thievage |
Loading and Discharging
Operations |
|
A |
According to U.S.
regulations, no person may connect or disconnect an oil transfer hose or
engage in any other critical oil transfer operation on a tank vessel unless
which of the following is met? |
the designated
person-in-charge supervises that procedure |
that person holds
a tankerman assistant endorsement |
that person holds
a license as master, mate, or engineer |
that person holds
a valid port security card |
Loading and Discharging
Operations |
|
B |
Which of the following
is the pipe used to connect two separate piping systems on a tank vessel? |
junction |
crossover |
transfer |
connection |
Loading and Discharging
Operations |
|
C |
How should pinching
of the cargo hose between the vessel and the dock be prevented? |
tying off the
topping lifts and runners to winch heads |
laying out an
excess length of hose on deck |
adjusting the
hose supports |
install hose preventers |
Loading and Discharging
Operations |
|
A |
Which of the following
terms best describes the amount of product in a tank measured from the tank
top to the level of liquid? |
Innage |
Thievage |
Outage |
Ullage |
Loading and Discharging
Operations |
|
B |
What should be
the first consideration when discharging an oil cargo? |
discharge from
the wings first |
get the bow up |
discharge from
amidships first |
discharge from
the centerline tanks first |
Loading and Discharging
Operations |
|
D |
How can you determine
which grades of cargo a tank vessel is permitted to carry? |
check the loading
order |
ask the terminal
supervisor or his representative |
examine the cargo
tanks and fittings |
refer to the vessel's
Certificate of Inspection |
Loading and Discharging
Operations |
|
B |
During oil transfer
operations, who would be responsible to guarantee that the posted transfer
procedures are being followed? |
The oiler |
The designated
person in charge |
The senior able
seaman |
The tankerman |
Loading and Discharging
Operations |
|
C |
When loading bulk
liquid cargo, what is the FIRST action you should take if a cargo valve
jammed open? |
Run out the vessel
or terminal fire hose. |
Call the owner,
operator, or terminal supervisor. |
Order the dock
man to shut down. |
Trip the pump
relief valve. |
Loading and Discharging
Operations |
|
B |
The sign used
to caution persons approaching the gangway of a tank barge during cargo
transfer should state which of the following? |
"Danger,
Do Not Board" |
"Warning,
No Smoking, No Open Lights, No Visitors" |
"Warning,
Keep Off, Stay Clear" |
"Dangerous
Cargo Being Transferred" |
Loading and Discharging
Operations |
|
C |
Which of the following
procedures would insure proper seating of the valve when closing? |
set up as tight
as possible by hand |
closed against
the stop and the locking pin inserted |
closed, opened
a half turn, and then closed again |
set up tight using
a valve wrench |
Loading and Discharging
Operations |
|
D |
Which factor must
be considered when determining the order of loading of dissimilar products
through the same piping system aboard a tanker? |
Reid vapor pressures |
Flash points |
Specific gravities |
Contamination
of the cargo |
Loading and Discharging
Operations |
|
D |
When loading a
tanker, you should perform which of the following functions to ensure a
safe operation? |
keep a strain
on the loading hoses |
load only one
tank at a time |
keep the seamen
on watch on standby in the mess room |
close valves by
closing them down, reopening one or two turns, and re-closing |
Loading and Discharging
Operations |
|
C |
Which lashing
gear used aboard Ro-Ro vessels should be painted or soaked in oil when not
in use? |
Webbing |
Wire rope. |
Chain |
All of the above. |
RORO |
|
C |
Which of the following
lashing gear used aboard Ro-Ro vessels should be stowed when not in use? |
Webbing |
Wire rope |
Chain |
All of the above. |
RORO |
|
D |
Entries should
be made in a Ro-Ro vessel's cargo-securing device record book for __________. |
procedures for
accepting cargo securing devices |
record of cargo
securing device inspections |
procedures for
maintaining and repairing cargo-securing devices |
All of the above. |
RORO |
|
C |
Which of the following
is a characteristic of a Ro-Ro vessel? |
Heavy vehicles
only require lightweight securing equipment |
Long port stays
necessary to secure vehicles |
Short in port
turnaround times |
Passenger tours
available upon docking |
RORO |
|
D |
How could lashing
gear used aboard Ro-Ro vessels be stowed when not in use? |
Hang vertically
in a sheltered area |
Stow in bins at
hatch coming side |
Drape along brackets |
All of the above. |
RORO |
|
D |
What characterizes
a Ro-Ro vessel? |
Lightweight securing
equipment trailers |
May carry up to
24 passengers |
Long port stays
required for cargo securing |
High freeboard
and sail area |
RORO |
|
D |
Which of the following
lashing gear used aboard Ro-Ro vessels should be maintained when not in
use? |
Webbing |
Wire rope |
Chain |
All of the above. |
RORO |
|
A |
Which of the following
is not a loading or transfer feature aboard a Ro-Ro vessel? |
Stuelcken boom |
Stern ramp and/or
side ramp |
Hatch opening
designed as a lift |
Cargo lift |
RORO |
|
A |
The primary objective
of a Ro-Ro vessel is to __________. |
transport vehicles |
load the vessel
with palletized cargo |
transfer containers
without chassis |
be loaded full
and down to her marks |
RORO |
|
D |
Cargo that is
suitable for carriage on Ro-Ro vessels includes __________. |
trailers |
rolling vehicles |
containers |
All of the above. |
RORO |
|
D |
Which of the following
are considered to be "road vehicles" that can be carried on Ro-Ro
vessels? |
Road train |
Semi-trailer |
Articulated road
train |
All of the above. |
RORO |
|
C |
Which of the following
are considered to be "road vehicles" that can be carried on Ro-Ro
vessels? |
Articulated train |
Train |
Semi-trailer |
All of the above. |
RORO |
|
A |
Any vehicle to
be loaded aboard a Ro-Ro vessel must __________. |
be provided with
an effective braking system |
have securing
points with each aperture capable of accepting more than one lashing |
weigh less than
22 tons |
All of the above. |
RORO |
|
D |
Which operating
procedure(s) should be adhered to on a Ro-Ro vessel? |
Periodic inspection
and retensioning of lashings during the voyage |
One officer assigned
to oversee the initial loading and lashing |
All lashings should
be completed before leaving port |
All of the above. |
RORO |
|
C |
Which standard
operating procedure(s) should be adhered to on a Ro-Ro vessel? |
Battery cables
must be disconnected to prevent fire hazard |
One deck engine
mechanic assigned to oversee the initial loading and lashing |
Periodic inspection
and retensioning of lashings as required during voyage |
All of the above. |
RORO |
|
D |
When accepting
vehicles for shipment, the Master should ensure that __________. |
all decks intended
for the stowage of vehicles are, in so far as is practicable, free from
oil and grease |
vehicles are in
apparent good order and condition suitable for sea transport, particularly
with regards to securing |
the ship has on
board an adequate supply of cargo securing gear, which is maintained in
sound working condition |
All of the above. |
RORO |
|
A |
Onboard a Ro-Ro
vessel many decks are used for the carriage of both rolling and container
cargoes, as such it is most useful if a deck socket accepts both __________. |
twist-Locks and
lashing hooks |
bridge fittings
and lashing hooks |
container locks
and bridge fittings |
twist-locks and
container locks |
RORO |
|
B |
Cargo securing
for Ro-Ro is based on the concept of __________. |
palletized cargo |
rapid loading
and discharge |
vessel loaded
full and down to her marks |
solid packing |
RORO |
|
D |
The securing of
passenger cars on a Ro-Ro vessel requires __________. |
low labor intensive
equipment |
specially designed
equipment to avoid vehicle damage |
simple and lightweight
equipment |
All of the above. |
RORO |
|
D |
Which of the following
is considered auxiliary securing equipment that provides extra reliability
to lashing in Ro-Ro transport operations? |
Wheel chocks |
Trailer trestles |
Pedestals |
All of the above. |
RORO |
|
D |
The lashings used
on Ro-Ro vessels should be capable of withstanding the forces of __________. |
pitching |
heaving |
rolling |
All of the above. |
RORO |
|
B |
Which variable
factor affects the initial lashing requirements aboard Ro-Ro vessels? |
Changes in humidity |
Center of gravity
of vehicle or cargo unit |
Age of vehicle
or cargo unit |
Vessel's draft |
RORO |
|
A |
Which variable
factor affects the initial lashing requirements aboard Ro-Ro vessels? |
Size and weight
of vehicle/cargo unit |
Air pressure in
the vehicles tires |
Age of vehicle
or cargo unit |
Reputation of
shipper concerning condition of cargo |
RORO |
|
D |
Which variable
factor affects the initial lashing requirements aboard Ro-Ro vessels? |
Port of origin |
Vessel's draft |
ABS requirements |
Number, position
and angle of lashings |
RORO |
|
A |
Which lashing
device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels? |
Chain |
Buckle or ratchet
tensioner |
Webbing |
All of the above. |
RORO |
|
C |
Which of the following
lashing materials would be used in securing heavy vehicles aboard Ro-Ro
vessels? |
Buckle or ratchet
tensioner |
Webbing |
Chain lever or
turnbuckle |
All of the above. |
RORO |
|
C |
Which lashing
materials would be used in securing light vehicles aboard Ro-Ro vessels? |
Chain |
Chain lever or
turnbuckle |
Webbing |
None of the above |
RORO |
|
A |
Which lashing
material is preferred when securing new cars aboard Ro-Ro vessels? |
Webbing |
Wire |
Chain lever or
turnbuckle |
None of the above |
RORO |
|
B |
What is used when
securing light vehicles aboard Ro-Ro vessels? |
Manila rope |
Buckle or ratchet
tensioner |
Wire |
Chain |
RORO |
|
D |
What is used when
securing heavy vehicles aboard Ro-Ro vessels? |
Buckle or ratchet
tensioner |
Webbing |
Manila rope |
None of these |
RORO |
|
D |
What is used when
securing light vehicles aboard Ro-Ro vessels? |
Wire |
Chain lever or
turnbuckle |
Chain |
None of these |
RORO |
|
C |
What may NOT be
used when securing heavy vehicles aboard Ro-Ro vessels? |
Chain lever |
Chain |
Webbing |
Turnbuckle |
RORO |
|
D |
An advantage of
using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________. |
absorbs shock |
is light weight |
has fine adjustment |
has long life |
RORO |
|
B |
A disadvantage
of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it
__________. |
is easily damaged |
does not absorb
shock |
is affected by
temperature |
can wrap around
cargo |
RORO |
|
D |
A disadvantage
of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it
is __________. |
easily damaged |
costly relative
to the strength ratio |
affected by temperature |
heavy |
RORO |
|
D |
The disadvantage(s)
of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________. |
it does not absorb
shock |
it is heavy |
the links lose
strength if placed over corners |
All of the above. |
RORO |
|
B |
A disadvantage
of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that __________. |
it is easily damaged |
the links lose
strength if placed over corners |
it is affected
by temperature |
it has high initial
cost |
RORO |
|
D |
The disadvantage(s)
of using web lashing on light vehicles aboard Ro-Ro vessels is that it __________. |
deteriorates in
sunlight |
is vulnerable
to damage and pilferage |
cuts on sharp
edges |
All of the above. |
RORO |
|
D |
What is/are the
advantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels? |
Flexible |
Light and easy
to handle |
Good working life |
All of the above. |
RORO |
|
D |
The advantage(s)
of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________. |
has a good working
life |
is Lighter than
chain |
is not affected
by temperature |
All of the above. |
RORO |
|
B |
Which tensioning
device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels? |
Ratchet tensioner |
Adjust-a-matic
tensioner |
Chain lever |
Buckle tensioner |
RORO |
|
B |
Which tensioning
device is used with chain to secure heavy vehicles aboard Ro-Ro vessels? |
Adjust-a-matic
tensioner |
Chain lever |
Ratchet tensioner |
Buckle tensioner |
RORO |
|
A |
Which tensioning
device is used with webbing to secure light vehicles aboard Ro-Ro vessels? |
Ratchet tensioner |
Turnbuckle |
Adjust-a-matic
tensioner |
Chain lever |
RORO |
|
B |
Which of the following
tensioning devices is used with webbing to secure light vehicles aboard
Ro-Ro vessels? |
Adjust-a-matic
tensioner |
Buckle tensioner |
Turnbuckle |
Chain lever |
RORO |
|
C |
Which tensioning
device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels? |
Buckle tensioner |
Ratchet tensioner |
Adjust-a-matic
tensioner |
Chain lever. |
RORO |
|
A |
Which tensioning
device is used with chain to secure heavy vehicles aboard Ro-Ro vessels? |
Turnbuckle |
Adjust-a-matic
tensioner |
Ratchet tensioner |
Buckle tensioner |
RORO |
|
A |
Which of the following
statements is TRUE regarding lashing requirements to secure vehicles aboard
Ro-Ro vessels? |
The generally
recommended lash angle is no greater than 45 degrees relative to the deck
in any direction. |
It is not necessary
for an adequate number of securing points on the vehicles themselves since
setting the brakes is sufficient. |
The movements
experienced by road borne cargo are the same as the movements of a ship
at sea. |
The securing of
cargo on flats and trailers must be adequate to withstand road motions only. |
RORO |
|
D |
Which of the following
is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro
vessels? |
It is necessary
for an adequate number of securing points on the vehicles themselves in
order that lashings may be properly and safely utilized. |
The generally
recommended lash angle cannot be greater than 45 degrees relative to the
deck in any direction. |
The securing of
cargo on flats and trailers and in containers must be adequate to withstand
both road and sea motions |
All of the above. |
RORO |
|
B |
Which of the following
statements is TRUE regarding lashing requirements to secure vehicles aboard
Ro-Ro vessels? |
For effective
securing vehicles should be stowed athwartships whenever possible. |
The generally
recommended lash angle should not be greater than 45 degrees relative to
the deck in any direction. |
It is NOT imperative
that the securing of cargo on flats and trailers and in containers be adequate
for BOTH road and sea motions. |
It is not necessary
to lash automobiles since setting the brakes is sufficient to keep them
from moving. |
RORO |
|
D |
Which of the following
statement(s) is/are TRUE regarding lashing requirements to secure vehicles
aboard Ro-Ro vessels? |
It is necessary
for adequate number and strength of securing points on the vehicles themselves
in order that lashings may be properly and safely utilized. |
The movements
experienced by road borne cargo differ significantly from the roll and sway
movements of a ship at sea. |
It is imperative
that the securing of cargo on flats and trailers and in containers be adequate
for both road and sea motions. |
All of the above. |
RORO |
|
B |
Which factor(s)
affect lashing requirements aboard Ro-Ro vessels? |
Wide variations
of air temperature |
Ship's characteristics
and motion in a seaway |
Trim of the vessel |
All of the above. |
RORO |
|
B |
What should you
be concerned with when loading and securing vehicles on a Ro-Ro? |
Disconnecting
the battery cables to prevent fire hazard |
Number, position
and angle of lashes |
Minor air pressure
changes in the tires |
Number of axles |
RORO |
|
A |
What should you
be concerned with when loading and securing vehicles aboard a Ro-Ro vessel? |
The size, weight,
and center of gravity of vehicle/cargo unit |
The preferred
stowage of vehicles is athwartships wherever possible |
That all fuel
is drained from the vehicles' tanks to prevent fire hazard |
The vehicles'
brakes should not be set to allow for adjusting the lashings |
RORO |
|
D |
Which factor(s)
should be considered when loading vehicles or trailers aboard Ro-Ro vessels? |
Vertical clearances |
Layout of decks |
Tie-down and lashing |
All of the above. |
RORO |
|
D |
Which element(s)
should be taken into account in the preparation of the "Cargo Securing
Manual"? |
Geographical area
of the voyage |
Weight of the
vehicles |
Dynamic forces
under adverse weather conditions |
All of the above. |
RORO |
|
D |
According to the
IMO Code, what are the minimum number of securing points that should be
on each side of a "road vehicle", whose gross vehicle mass is
between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels? |
Four |
Three |
One |
Two |
RORO |
|
D |
According to the
IMO Code, what are the minimum number of securing points that should be
on each side of a "road vehicle", whose gross vehicle mass is
between 30 tons and 40 tons, when carried on Ro-Ro vessels? |
One |
Two |
Three |
Four |
RORO |
|
B |
According to the
IMO Code, what are the minimum number of securing points that should be
on each side of a "road vehicle", whose gross vehicle mass is
between 3.5 tons and 20 tons, when carried on Ro-Ro vessels? |
Three |
Two |
One |
None of the above |
RORO |
|
A |
According to the
IMO Code, what are the minimum number of securing points that should be
on each side of a "road vehicle", whose gross vehicle mass is
between 20 tons and 30 tons, when carried on Ro-Ro vessels? |
Three |
Two |
One |
None of the above |
RORO |
|
A |
What should be
done after putting down the ramp on a Ro-Ro vessel, prior to loading or
discharging cargo? |
Turn on ventilation
for cargo holds. |
Call out the deck
department for all hands. |
Turn on red cargo
light. |
None of the above |
RORO |
|
A |
What should be
done before energizing the cargo hold ventilation on a Ro-Ro vessel, prior
to loading or discharging cargo? |
Notify the engine
room. |
Notify the boarding
agent. |
Call out the deck
department for all hands. |
All of the above. |
RORO |
|
B |
What should be
done immediately after putting down the stern ramp on a Ro-Ro vessel, prior
to loading or discharging cargo? |
Turn on the red
cargo light. |
Raise/open the
stern door. |
Call out the deck
department for all hands. |
Turn on pumproom
ventilation. |
RORO |
|
B |
Which of the following
is NOT necessary, prior to loading or discharging cargo on a Ro-Ro vessel? |
Lower the stern
ramp. |
Turn on the red
cargo light. |
Turn on ventilation
for cargo holds. |
Raise/open the
stern door. |
RORO |
|
A |
Which of the following
actions are stated in the correct order prior to loading or discharging
cargo on a Ro-Ro vessel? |
Lower the stern
ramp, raise/open the stern door, turn on ventilation for cargo holds |
Raise/open the
stern door, lower the stern ramp, turn on ventilation for cargo holds |
Turn on ventilation
for cargo holds, raise/open the stern door, lower the stern ramp |
Turn on ventilation
for cargo holds, lower the stern ramp, raise/open the stern door |
RORO |
|
C |
Which of the following
actions are stated in the correct order prior to loading or discharging
cargo on a Ro-Ro vessel? |
Turn on ventilation
for cargo holds, lower the stern ramp, raise/open the stern door |
Raise/open the
stern door, lower the stern ramp, turn on ventilation for cargo holds |
Lower the stern
ramp, raise/open the stern door, turn on ventilation for cargo holds |
Turn on ventilation
for cargo holds, raise/open the stern door, lower the stern ramp |
RORO |
|
B |
Which of the following
actions are stated in the correct order prior to loading or discharging
cargo on a Ro-Ro vessel? |
Turn on ventilation
for cargo holds, raise/open the stern door, lower the stern ramp |
Lower the stern
ramp, raise/open the stern door, turn on ventilation for cargo holds |
Raise/open stern
door, lower the stern ramp, turn on ventilation for cargo holds |
Turn on ventilation
for cargo holds, lower the stern ramp, raise/open the stern door |
RORO |
|
B |
Which of the following
actions are stated in the correct order prior to loading or discharging
cargo on a Ro-Ro vessel? |
Turn on ventilation
for cargo holds, lower the stern ramp, raise/open stern door |
Lower the stern
ramp, raise/open stern door, turn on ventilation for cargo holds |
Raise/open stern
door, lower the stern ramp, turn on ventilation for cargo holds |
Turn on ventilation
for cargo holds, raise/open stern door, lower the stern ramp |
RORO |
|
A |
Which of the following
is the stated proper sequence before commencing cargo operations aboard
Ro-Ro vessels? |
Notify engine
room, lower the ramp, start ventilation |
Start ventilation,
notify engine room, lower the ramp |
Lower the ramp,
start ventilation, notify engine room |
Start ventilation,
lower the ramp, notify engine room |
RORO |
|
C |
Peck and Hale
gear is used most commonly for securing __________. |
palletized cargo |
large wooden crates |
automobiles |
baled cargo |
RORO |
|
C |
While loading
or discharging vehicles, which is the most important safety consideration
aboard a Ro-Ro vessel? |
Calling out the
deck department for all hands periodically |
Notifying the
engine room prior to completing operations |
Preventing the
asphyxiation of personnel below decks |
Ensuring that
a fuel barge cannot come alongside |
RORO |
|
C |
The most important
safety consideration during loading or discharge aboard a Ro-Ro vessel is
__________. |
ensuring that
visitors cannot come aboard |
having all crewmembers
and longshoremen wear hard hats |
the thorough ventilation
of all cargo spaces |
having the outboard
anchor down |
RORO |
|
D |
The tankship Northland
is loaded as shown in table BL-0003 below. Use the salmon colored pages
in the Stability Data Reference to determine the sagging numeral.
|
71.07 numeral |
74.95 numeral |
77.56 numeral |
78.29 numeral |
Tank Vessel and
Fuel Oil Operations |
|
A |
The tankship Northland
is loaded as shown in table BL-0004 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the hogging numeral.
|
49.73 numeral |
52.76 numeral |
55.29 numeral |
57.93 numeral |
Tank Vessel and
Fuel Oil Operations |
|
A |
The tankship Northland
is loaded as shown in table BL-0009 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the hogging numeral.
|
43.19 numeral |
46.56 numeral |
49.92 numeral |
55.72 numeral |
Tank Vessel and
Fuel Oil Operations |
|
C |
The tankship Northland
is loaded as shown in table BL-0001 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the hogging numeral.
|
86.72 numeral |
89.98 numeral |
91.40 numeral |
93.18 numeral |
Tank Vessel and
Fuel Oil Operations |
|
C |
The tankship Northland
is loaded as shown in table BL-0014 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the sagging numeral. |
81.79 numeral |
89.68 numeral |
91.92 numeral |
85.02 numeral |
Tank Vessel and
Fuel Oil Operations |
|
B |
The tankship Northland
is loaded as shown in table BL-0002 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the sagging numeral.
|
29.49 numeral |
31.97 numeral |
33.61 numeral |
35.12 numeral |
Tank Vessel and
Fuel Oil Operations |
|
B |
The tankship Northland
is loaded as shown in table BL-0023 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the hogging numeral |
91.42 numeral |
79.23 numeral |
74.73 numeral |
85.60 numeral |
Tank Vessel and
Fuel Oil Operations |
|
A |
The tankship Northland
is loaded as shown in table BL-0024 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the hogging numeral. |
52.79 numeral |
91.36 numeral |
101.02 numeral |
72.43 numeral |
Tank Vessel and
Fuel Oil Operations |
|
C |
The tankship Northland
is loaded as shown in table BL-0025 below. Use the salmon colored pages
in the Stability book to determine the hogging numeral.
|
84.46 numeral |
98.23 numeral |
95.70 numeral |
81.37 numeral |
Tank Vessel and
Fuel Oil Operations |
|
B |
The tankship Northland
is loaded as shown in table BL-0026 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the sagging numeral. |
72.42 numeral |
78.98 numeral |
83.46 numeral |
91.48 numeral |
Tank Vessel and
Fuel Oil Operations |
|
C |
The tankship Northland
is loaded as shown in table BL-0027 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the sagging numeral. |
49.82 numeral |
58.33 numeral |
29.70 numeral |
33.63 numeral |
Tank Vessel and
Fuel Oil Operations |
|
C |
The tankship Northland
is loaded as shown in table BL-0028 below. Use the salmon colored pages
in the Stability Data Reference Book to determine the sagging numeral. |
40.18 numeral |
89.75 numeral |
22.44 numeral |
28.62 numeral |
Tank Vessel and
Fuel Oil Operations |
|
A |
Which is the MOST
important consideration for a tank vessel? |
The stress on
the hull |
The vertical center
of gravity |
GM |
The longitudinal
center of gravity |
Tank Vessel and
Fuel Oil Operations |
|
A |
A tank holds 400
tons of sea water when filled. How many tons of liquid of specific gravity
0.9300 will it hold when filled to 90% capacity? |
326.6 |
343.2 |
377.6 |
390.2 |
Tank Vessel and
Fuel Oil Operations |
|
B |
A tanker is loaded
with 5,000 barrels of petroleum. The cargo was loaded at a temperature of
70°F, and the coefficient of expansion is .0004. What is the net amount
in barrels of cargo loaded? |
4800 |
4980 |
5020 |
5200 |
Tank Vessel and
Fuel Oil Operations |
|
A |
A cargo of 10,000
barrels of gasoline is loaded at a temperature of 90°F, and a cargo temperature
of 55°F, is expected on this voyage. It has a coefficient of expansion of
.0006. How many barrels would you expect to discharge at your destination? |
9790 |
9994 |
10210 |
10410 |
Tank Vessel and
Fuel Oil Operations |
|
A |
A tanker is loaded
with 12,000 barrels of #2 fuel oil. The temperature of the product is 88°F.
API gravity is 39°. The volume correction factor (VCF) is .0005. The net
amount of cargo in gallons, loaded is __________. |
496944 |
511056 |
650760 |
669240 |
Tank Vessel and
Fuel Oil Operations |
|
B |
Your ship departed
Venezuela for New York, loaded with 10,000 barrels of crude oil, whose average
cargo temperature was 30°C (86°F). API is 25°. The volume correction factor
(VCF) is .00045. If this cargo is heated to 100°F prior to discharge, how
many barrels will you offload? |
10315 |
10063 |
9937 |
9685 |
Tank Vessel and
Fuel Oil Operations |
|
B |
Your ship departed
Venezuela for New York, loaded with 10,000 barrels of crude oil, whose average
cargo temperature was 30°C (86° F). API is 25°. The volume correction factor
(VCF) is .00045. If this cargo is heated to 100°F prior to discharge, how
many gallons will you offload? |
417354 |
422646 |
546535 |
553465 |
Tank Vessel and
Fuel Oil Operations |
|
D |
Your ship has
loaded 6,000 barrels of gasoline, at a cargo temperature of 50°F, departing
New Jersey bound for Florida. API gravity is 55°. The volume correction
factor (VCF) is .0006. How many barrels would you expect to unload if the
cargo temperature is 90°F at the discharge port? |
5856 |
5982 |
6018 |
6144 |
Tank Vessel and
Fuel Oil Operations |
|
D |
Your ship has
loaded 6,000 barrels of gasoline, at a cargo temperature of 50°F, departing
New Jersey bound for Florida. API gravity is 55°. The volume correction
factor (VCF) is .0006. How many gallons would you expect to unload if the
cargo temperature is 90°F at the discharge port? |
337920 |
322080 |
295952 |
258048 |
Tank Vessel and
Fuel Oil Operations |
|
B |
Your ship has
loaded 8,000 barrels of gasoline at a cargo temperature of 85°F, departing
Aruba bound for New Jersey. API gravity is 55°. The volume correction factor
(VCF) is .0006. How many barrels would you expect to unload if the cargo
temperature is 50°F at the discharge port? |
7880 |
7832 |
8168 |
8120 |
Tank Vessel and
Fuel Oil Operations |
|
D |
Your ship has
loaded 8,000 barrels of gasoline at a cargo temperature of 85°F, departing
Aruba bound for New Jersey. API gravity is 55°. The volume correction factor
(VCF) is .0006. How many gallons would you expect to unload if the cargo
temperature is 50°F at the discharge port? |
449240 |
430760 |
343056 |
328944 |
Tank Vessel and
Fuel Oil Operations |
|
A |
Your ship has
loaded 20,000 barrels of crude oil, departing Valdez, Alaska for San Francisco.
When loaded the cargo temperature was 96°F. API was 15°. The volume correction
factor (VCF) is .0004. If the cargo temperature is expected to be 56°F at
the discharge port, how many barrels will be offloaded? |
19680 |
19712 |
20288 |
20320 |
Tank Vessel and
Fuel Oil Operations |
|
C |
Your ship has
loaded 20,000 barrels of crude oil, departing Valdez, Alaska for San Francisco.
When loaded the cargo temperature was 96°F. API was 15°. The volume correction
factor (VCF) is .0004. If the cargo temperature is expected to be 56°F at
the discharge port, how many gallons will be offloaded? |
853440 |
1082400 |
826560 |
1117600 |
Tank Vessel and
Fuel Oil Operations |
|
C |
Your ship has
loaded 22,000 barrels of crude oil, departing Valdez, Alaska for Panama.
When loaded the cargo temperature was 90°F. API was 15°. The volume correction
factor (VCF) is .0004. If the cargo temperature is expected to be 100°F
at the discharge port, how many barrels will be offloaded? |
21252 |
21912 |
22088 |
22748 |
Tank Vessel and
Fuel Oil Operations |
|
B |
A tank is loaded
with 9,000 barrels of gasoline. The temperature of the product is 90°F (32°C),
and it has a coefficient of expansion of .0008. What is the net amount of
cargo loaded? |
8856 bbls |
8784 bbls |
8820 bbls |
9216 bbls |
Tank Vessel and
Fuel Oil Operations |
|
C |
Your ship has
loaded 22,000 barrels of crude oil, departing Valdez, Alaska for Panama.
When loaded the cargo temperature was 90°F. API was 15°. The volume correction
factor (VCF) is .0004. If the cargo temperature is expected to be 100°F
at the discharge port, how many gallons will be offloaded? |
1214840 |
1205160 |
927696 |
920304 |
Tank Vessel and
Fuel Oil Operations |
|
C |
Your ship has
loaded 9,000 barrels of fuel oil at a cargo temperature of 35°C (95°F).
API gravity is 44°. The volume correction factor (VCF) is .0005. You are
bound to New Jersey from Venezuela. How many barrels would you expect to
unload if the cargo temperature is 55°F at the discharge port? |
9180 |
9090 |
8820 |
8910 |
Tank Vessel and
Fuel Oil Operations |
|
C |
Your ship has
loaded 9,000 barrels of fuel oil at a cargo temperature of 35°C (95°F).
API gravity is 44°. The volume correction factor (VCF) is .0005. You are
bound for New Jersey from Venezuela. How many gallons would you expect to
unload if the cargo temperature is 55°F at the discharge port? |
504900 |
485100 |
370440 |
85560 |
Tank Vessel and
Fuel Oil Operations |
|
A |
Your ship has
loaded 8,000 barrels of gasoline at a cargo temperature of 36°C (97°F).
API gravity is 54°. The volume correction factor (VCF) is .0006. You are
bound for New Jersey from Ecuador. How many barrels would you expect to
unload if the cargo temperature is 55°F at the discharge port? |
7798 |
7827 |
8173 |
8202 |
Tank Vessel and
Fuel Oil Operations |
|
A |
Your ship has
loaded 8,000 barrels of gasoline at a cargo temperature of 36°C (97°F).
API gravity is 54°. The volume correction factor (VCF) is .0006. You are
bound for New Jersey from Ecuador. How many gallons would you expect to
unload if the cargo temperature is 55°F at the discharge port? |
327533 |
344484 |
451110 |
428890 |
Tank Vessel and
Fuel Oil Operations |
|
B |
A tank is loaded
with 9,000 barrels of gasoline. The temperature of the product is 80°F (27°C),
and it has a coefficient of expansion of .0008. The net amount of cargo
loaded is __________. |
8,944 barrels |
8,856 barrels |
9,144 barrels |
9,072 barrels |
Tank Vessel and
Fuel Oil Operations |
|
D |
A cargo of oil
has a coefficient of expansion of .0005 per degree F. If this cargo is loaded
at 70°F, and a cargo temperature of 90°F is expected at the discharge port,
how many barrels would you expect to unload if you loaded 10,000 barrels? |
9900 |
9990 |
10010 |
10100 |
Tank Vessel and
Fuel Oil Operations |
|
C |
A cargo of fuel
oil is loaded whose temperature is 66°F. API gravity is 36°. The volume
correction factor (VCF) is .0005. A cargo temperature of 80°F is expected
at the discharge port. If 9,000 barrels were loaded, how many barrels would
you expect to unload? |
8910 |
8937 |
9063 |
9090 |
Tank Vessel and
Fuel Oil Operations |
|
B |
A cargo of fuel
oil is loaded whose temperature is 66°F. API gravity is 36°. The volume
correction factor (VCF) is .0005. A cargo temperature of 80°F is expected
at the discharge port. If 9,000 barrels were loaded, how many gallons would
you expect to unload? |
375354 |
380646 |
491535 |
498465 |
Tank Vessel and
Fuel Oil Operations |
|
C |
A tanker is loaded
with 8,000 barrels of fuel oil. The temperature of the cargo is 50°F. API
gravity is 37°. The volume correction factor (VCF) is .0005. What is the
net amount in barrels of cargo loaded? |
7984 |
7960 |
8040 |
8016 |
Tank Vessel and
Fuel Oil Operations |
|
B |
A tanker is loaded
with 8,000 barrels of fuel oil. The temperature of the cargo is 50°F. API
gravity is 37°. The volume correction factor (VCF) is .0005. What is the
net amount in gallons of cargo loaded? |
334320 |
337680 |
437800 |
442200 |
Tank Vessel and
Fuel Oil Operations |
|
A |
A tanker is loaded
with 12,000 barrels of #2 fuel oil. The temperature of the product is 88°F.
API gravity is 39°. The volume correction factor (VCF) is .0005. The net
amount of cargo in barrels, loaded is __________. |
11832 |
12006 |
12168 |
11994 |
Tank Vessel and
Fuel Oil Operations |
|
C |
You are loading
465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000
barrels. At 1030 you find that you have loaded 223,000 barrels. If you continue
loading at the same rate, you will finish at approximately __________. |
2100 that night |
0730 the next
day |
0910 the next
day |
1215 the next
day |
Tank Vessel and
Fuel Oil Operations |
|
D |
You are loading
530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have
loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels.
If you continue at the same rate, you will finish at __________. |
1322, 13 April |
1920, 13 April |
1120, 14 April |
1305, 14 April |
Tank Vessel and
Fuel Oil Operations |
|
D |
You are loading
475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have
loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels.
If you continue loading at the same rate, you will finish at approximately
__________. |
1752, 8 July |
1940, 8 July |
0143, 9 July |
1727, 9 July |
Tank Vessel and
Fuel Oil Operations |
|
C |
You are in the
process of loading 465,000 barrels of cargo oil. At 1030, on 5 November,
you gauge the vessel and find that you have loaded 203,000 barrels. At 1200
you find that you have loaded 218,000 barrels. If you continue loading at
the same rate, you will finish at approximately __________. |
1510, 5 November |
1104, 6 November |
1242, 6 November |
0735, 7 November |
Tank Vessel and
Fuel Oil Operations |
|
B |
You are in the
process of loading 465,000 barrels of cargo oil. At 1030, on 5 November,
you gauge the vessel and find that you have loaded 203,000 barrels. At 1200
you find that you have loaded 218,000 barrels. If you continue loading at
the same rate, you will finish at approximately __________. |
0735, 7 November |
1104, 6 November |
1510, 5 November |
0140, 6 November |
Tank Vessel and
Fuel Oil Operations |
|
D |
You are loading
530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have
loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels.
When will you complete loading if you continue at the same rate? |
1322, 13 April |
1920, 13 April |
1120, 14 April |
1305, 14 April |
Tank Vessel and
Fuel Oil Operations |
|
B |
The process of
adding mercaptans to gas, is known as which of the following? |
smelling |
stenching |
saturating |
reeking |
Tank Vessel and
Fuel Oil Operations |
|
C |
A centrifugal
ballast pump has a capacity of 200 gpm. If suction is taken on a ballast
tank containing 200 long tons of seawater, how much water will be remain
in the tank after discharging for one hour? |
45.83 long tons |
101.63 long tons |
154.16 long tons |
199.87 long tons |
Tank Vessel and
Fuel Oil Operations |
|
B |
What is meant
by "thieving" a petroleum cargo? |
Adjusting the
cargo figures to coincide with the draft |
Determining the
amount of water (if any) in each cargo tank |
Reducing the gross
cargo calculations to net amounts |
Siphoning off
a few barrels of petroleum for shipboard use |
Tank Vessel and
Fuel Oil Operations |
|
B |
Which of the following
best describes the heat value of a fuel? |
the amount of
fuel added to a fuel to cause it to burn |
the amount of
heat released when a fuel is burned |
the temperature
to which a fuel must be raised to cause ignition |
the cost per BTU
of a fuel |
Tank Vessel and
Fuel Oil Operations |
|
C |
What is meant
by "thieving" a petroleum cargo? |
Adjusting the
cargo figures to coincide with the draft |
Siphoning off
a few barrels of petroleum for shipboard use |
Determining the
amount of water (if any) in each cargo tank |
Reducing the gross
cargo calculations to net amounts |
Tank Vessel and
Fuel Oil Operations |
|
B |
What is the heat
given to or given up by a substance while changing state? |
condensation |
latent heat |
vaporization |
evaporation |
Tank Vessel and
Fuel Oil Operations |
|
B |
A tank holds 400
tons of sea water when filled. How many tons of liquid of specific gravity
0.9300 will it hold when filled to 90% capacity? |
390.2 |
326.6 |
377.6 |
343.2 |
Tank Vessel and
Fuel Oil Operations |
|
D |
Your vessel is
taking on fuel when a small leak develops in the hose. You order the pumping
stopped. Before you resume pumping, you should __________. |
repair the hose
with a patch |
place a large
drip pan under the leak and plug the scuppers |
notify the terminal
superintendent |
replace the hose |
Tank Vessel and
Fuel Oil Operations |
|
B |
The most likely
time for oil pollution while bunkering is when __________. |
hoses are disconnected
and being capped |
final topping
off is occurring |
hoses are being
blown down |
first starting
to receive fuel |
Tank Vessel and
Fuel Oil Operations |
|
A |
When bunkering
is complete, the hoses should be __________. |
drained, blanked
off, and stored securely |
cleaned internally
with a degreaser |
stowed vertically
and allowed to drain |
washed out with
hot soapy water |
Tank Vessel and
Fuel Oil Operations |
|
B |
Which statement
is FALSE concerning precautions during fueling operations? |
All windows, doors,
hatches, etc. should be closed. |
Fuel tanks should
be topped off with no room for expansion. |
All engines, motors,
fans, etc. should be shut down when fueling. |
A fire extinguisher
should be kept nearby. |
Tank Vessel and
Fuel Oil Operations |
|
C |
If you are bunkering
and you close off one tank in the line of tanks being filled, the rate of
flow to other open tanks on the same line will __________. |
stop |
decrease |
increase |
remain constant |
Tank Vessel and
Fuel Oil Operations |
|
C |
Which of the signals
listed is required to be displayed during the day while bunkering? |
A red and yellow
flag |
A red light |
A red flag |
A yellow flag |
Tank Vessel and
Fuel Oil Operations |
|
B |
Which of the signals
listed is required to be displayed at night while bunkering at a dock? |
Two red lights |
One red light |
One red light
over a yellow light |
One red light
over a white light |
Tank Vessel and
Fuel Oil Operations |
|
A |
When bunkering
at a dock which of the following signals must be displayed? |
A red flag by
day, red light by night |
A red flag by
day, a blue light by night |
A yellow flag
by day, red light by night |
A green flag by
day, green light by night |
Tank Vessel and
Fuel Oil Operations |
|
C |
When bunkering
at anchorage which of the following signals must be displayed? |
A red flag by
day, red light by night |
A red light by
night ONLY |
A red flag by
day ONLY |
No signal required
at anchorage |
Tank Vessel and
Fuel Oil Operations |
|
A |
The scuppers had
been plugged as required at the time an oil spill occurs on deck. After
shutting down the transfer, the engine room should first be informed and
then __________. |
spread an absorbent
material, such as sawdust |
rig a fire hose
and call for water on deck |
remove the plugs
from the scuppers |
sound the general
alarm |
Tank Vessel and
Fuel Oil Operations |
|
B |
A precaution you
should take before bunkering is to __________. |
plug the vents |
plug the scuppers |
plug the sounding
pipes |
close the lids
on the vents |
Tank Vessel and
Fuel Oil Operations |
|
D |
When selecting
the fuel oil tanks for the "burn-out" of bunkers during a voyage
consideration of all of the following must be taken with the EXCEPTION of
__________. |
stability |
trim |
list |
flashpoint |
Tank Vessel and
Fuel Oil Operations |
|
A |
In reference to
accidental oil pollution, the most critical time during bunkering is when
__________. |
final topping
off is occurring |
hoses are being
disconnected |
hoses are being
blown down |
you first start
to receive fuel |
Tank Vessel and
Fuel Oil Operations |
|
D |
The Federal Water
Pollution Control Act requires the person in charge of a vessel to immediately
notify the Coast Guard as soon as he/she knows of any oil discharge. Failure
to notify the Coast Guard can lead to a monetary fine and imprisonment of
what time period? |
1 year |
3 years |
2 years |
5 years |
Tank Vessel Safety |
|
D |
Fuel oil tank
vents are fitted with a screen which will stop __________. |
vapors from leaving
the tank vent |
air from entering
the tank vent |
oil from flowing
out of the tank vent |
flames on deck
from entering the tank vent |
Tank Vessel Safety |
|
C |
A flame screen
__________. |
prevents the passage
of flammable vapors |
permits vapors
to exit but not enter a tank |
permits the passage
of vapor but not of flame |
prevents inert
gas from leaving a tank |
Tank Vessel Safety |
|
C |
The most likely
location for a liquid cargo fire to occur on a tanker would be __________. |
in the midships
house |
at the vent header |
in the pumproom |
at the main deck
manifold |
Tank Vessel Safety |
|
D |
Static electricity
may be built up by the __________. |
settling of solids
or water in petroleum |
spraying or splashing
of petroleum |
flow of petroleum
through pipes |
All of the above. |
Tank Vessel Safety |
|
C |
Your vessel is
taking on cargo oil when a small leak develops in the hose. You order the
pumping stopped. Before you resume pumping, you should __________. |
repair the hose
with a patch |
place a large
drip pan under the leak and plug the scuppers |
replace the hose |
notify the terminal
superintendent |
Tank Vessel Safety |
|
D |
Which of the following
terms best defines the spontaneous mixing of a tank's liquid contents when
a heavier layer forms above a less dense lower layer? |
flash over |
boil off |
cascading |
rollover |
Tank Vessel Safety |
|
C |
In order to reduce
the accumulation of static electricity while loading petroleum products,
you should __________. |
increase the air
flow into the tank |
start to load
at maximum pressure |
start to load
slowly |
use the overall
method of loading only |
Tank Vessel Safety |
|
B |
Which topic is
NOT required to be discussed at the pre-transfer conference? |
Emergency shutdown
procedures |
Estimated time
of finishing cargo |
Details of transferring
and receiving systems |
Identity of the
product to be transferred |
Tank Vessel Safety |
|
C |
When carrying
a cargo of asphalt or molten sulfur, which are carried at temperatures of
over 300°F, one of the biggest dangers is __________. |
inadequate ullage
space |
explosion of vapors
after discharge |
water in the tanks
or pipelines |
having the cargo
too cool |
Tank Vessel Safety |
|
D |
A tank vessel
transferring non-flammable hazardous cargo in bulk must display warning
signs. These signs must __________. |
be visible from
both sides and from forward and aft |
be displayed only
while transferring cargo and fast to a dock |
indicate "NO
SMOKING" |
use black lettering
on a white background |
Tank Vessel Safety |
|
B |
How should cargo
tank hatches be protected when the ullage opening is open and the tank NOT
gas free? |
With warning signs |
With flame screens |
With gooseneck
vents |
With pressure-vacuum
relief valves |
Tank Vessel Safety |
|
D |
Open ullage holes
in tanks which are not gas-free must be protected by __________. |
warning signs |
PV valves |
stop-check valves |
flame screens |
Tank Vessel Safety |
|
D |
What is acceptable
flame screening? |
A fitted single
stainless steel screen of 15 x 15 mesh |
Two fitted brass
screens of 10 x 15 mesh spaced 1/2 inch apart |
A fitted single
brass screen of 10 x 10 mesh |
A fitted stainless
steel screen of 30 x 30 mesh |
Tank Vessel Safety |
|
D |
What must be present
in order for combustion to occur inside a piping system such as a vapor
collection header in a marine emission control system? |
fuel |
oxygen |
ignition |
All of the above. |
Tank Vessel Safety |
|
B |
What is the proper
first aid for LPG in the eye? |
Keep the eyelid
close. |
Flush the eye
with plenty of water. |
Apply an ice pack
to the eye. |
Rub the eye area
clean. |
Tank Vessel Safety |
|
C |
When discharging
clean ballast prior to entering a loading port, what must you do if it is
determined the ballast exceeds 15 parts per million of oil? |
the deballasting
must be completed only after "load on top" has been completed |
the deballasting
must be completely discharged in order to load |
the deballasting
must be terminated automatically |
the deballasting
must be stopped until the oil can settle out, then resumed at a slower discharge
rate |
Tank Vessel Safety |
|
D |
When planning
the loading or discharging of a VLCC (100,000 DWT+) what is the most important
consideration? |
Draft and trim |
Rate of discharging |
Rate of loading |
Limits of the
bending moments |
Tank Vessel Safety |
|
C |
Asphyxia is generally
limited to enclosed spaces, and the deficiency of breathable air in an enclosed
space can occur with any of the following conditions. Indicate the condition
that will NOT cause asphyxia. |
When large quantities
of cargo vapor is present |
Where rusting
of internal tank surfaces has taken place. |
When 21% of oxygen
is present. |
Where large quantities
of inert gas is present. |
Tank Vessel Safety |
|
C |
What is a enclosure
which will withstand ignition of a flammable gas, and which will prevent
the transmission of any flame able to ignite a flammable gas, which may
be present in the surrounding atmosphere called? |
gas-safe enclosure |
primary gas barrier |
explosion proof |
a flame proof
screen |
Tank Vessel Safety |
|
A |
What can be used
to prevent a flammable atmosphere from occurring in a tank container? |
inert gas |
a vortex eliminator |
a combustion stabilizer |
an oxidizer |
Tank Vessel Safety |
|
D |
Which extinguishing
agent is effective in combating an isoprene fire? |
Foam |
Dry chemicals |
CO2 |
All of the above. |
Tank Vessel Safety |
|
A |
What type of gas
detection device is used to determine when gassing up is complete? |
Oxygen meter |
CO2 meter |
Methane detector |
Dew point meter |
Tank Vessel Safety |
|
B |
What must cargo
tanks be fitted with to prevent over pressurization when loading liquid
petroleum products? |
equalizing line |
pressure-vacuum
valve |
overpressurization
valve |
ullage opening |
Tank Vessel Safety |
|
C |
Which signal must
you display at night on a docked tank barge to show that it is loading or
discharging flammable liquid cargo? |
ICC yellow light. |
Flashing amber
light. |
Red light. |
Two orange lights. |
Tank Vessel Safety |
|
B |
What color must
the last 1.0 meter (3.3 feet) of piping before the vessel vapor connection
be painted? |
yellow/red/yellow |
red/yellow/red |
hi-visibility
yellow |
international
orange |
Tank Vessel Safety |
|
D |
What percent of
oxygen content by volume, must each inert gas system be designed to supply
the cargo tanks with a gas, or mixture of gases? |
10% or less |
20% or less |
15% or less |
5% or less |
Tank Vessel Safety |
|
C |
Which of the following
describes (auto) ignition temperature? |
the temperature
at which a 1% mixture of the fuel with air will explode |
the temperature
at which a fuel begins to give off explosive vapors |
the temperature
at which no spark or flame is required to ignite gas or vapor |
the temperature
at which a fuel if ignited will continue to burn |
Tank Vessel Safety |
|
A |
A marine chemist
issues gas free certificates and is certified by which organization? |
National Fire
Protection Association |
Mine Safety Appliance
Association |
Marine Chemists
Association |
American Chemical
Society |
Tank Vessel Safety |
|
D |
Before welding
in a tank that has carried petroleum products, the tank must be certified
by __________. |
the American Bureau
of Shipping |
the Coast Guard |
the shipyard fire
department |
a certified marine
chemist |
Tank Vessel Safety |
|
A |
A gas-free certificate
would usually be issued by a(n) __________. |
certified marine
chemist |
ABS marine surveyor |
Coast Guard marine
inspector |
port engineer |
Tank Vessel Safety |
|
B |
You are berthed
at a cargo facility where you have just completed discharging a dangerous
cargo. You must complete topside repairs involving hot work before sailing.
Which of the following statements is TRUE? |
The repair area
must be inspected by a marine surveyor to ensure that it can be done safely. |
The Captain of
the Port may give specific approval to make hot work repairs. |
You can make repairs
with permission of the facility owner since you are empty and the cargo
is on the facility. |
Hot work repairs
at such a facility are prohibited. |
Tank Vessel Safety |
|
B |
You are berthed
at a cargo facility where you have just completed discharging a dangerous
cargo from your barge. You must complete topside repairs on the barge involving
hot work before sailing. Which statement is TRUE? |
Hot work repairs
at such a facility are prohibited. |
The facility operator
must notify the Captain of the Port before conducting welding or hotwork. |
The repair area
must be inspected by a marine surveyor to ensure that it can be done safely. |
You can make repairs
with permission of the facility owner since you are empty and the cargo
is on the facility. |
Tank Vessel Safety |
|
D |
Before welding
is permitted on a fuel tank, it must be certified or declared as which of
the following? |
not safe for personnel |
not safe for hot
work |
safe for personnel |
safe for hot work |
Tank Vessel Safety |
|
C |
Who will certify
the vessel to be gas free before entering the shipyard? |
The chief officer. |
A representative
from the vessel's class society. |
A shoreside gas
chemist. |
A dedicated company
representative. |
Tank Vessel Safety |
|
A |
A marine chemist
issues gas free certificates and is certified by the __________. |
National Fire
Protection Association |
American Chemical
Society |
Mine Safety Appliance
Association |
Marine Chemists
Association |
Tank Vessel Safety |
|
D |
The only portable
electrical equipment permitted in a compartment which is not gas free is
a lamp that is __________. |
battery fed |
approved explosion
proof |
self-contained |
All of the above. |
Tank Vessel Safety |
|
B |
Which statement
about entry into a water ballast tank that has been sealed for a long time
is TRUE? |
Sea water acts
on the ship's metal and generates chlorine gas which may accumulate in poisonous
quantities. |
After ventilation
and testing, and the tank is found safe for entry, someone should stand
by at the tank entrance while you are inside. |
You should always
wear a gas mask. |
A "buddy
system" should be used where someone enters the tank with you. |
Tank Vessel Safety |
|
B |
Which step is
NOT generally taken when gas-freeing a tank? |
Removal of corrosion
products and sludge |
Application of
degreasing solvents |
Washing the tank
interior with sea water |
Fresh air ventilation |
Tank Vessel Safety |
|
B |
Which statement
about entry into a space that has been sealed for a long time is TRUE? |
The natural ventilation
through the installed vents is sufficient to provide the proper oxygen content. |
A tank that has
been used to carry hazardous liquids should be tested for oxygen content,
toxicity, and explosive gases. |
The heat of the
sun on upper ballast tanks, such as in a bulk carrier, may generate carbon
monoxide. |
You can safely
enter the space without a breathing apparatus if the oxygen content exceeds
14%. |
Tank Vessel Safety |
|
D |
Which statement
about entering into a tank which has been sealed for a long time is TRUE? |
If the oxygen
content tests at less than 12% you should wear an approved gas mask. |
The tank should
be tested only once to ensure the oxygen content is at least 14% before
entry. |
The tank need
not be tested for oxygen content if it is ventilated for more than 24 hours. |
The tank must
be tested at frequent intervals to ensure that hazardous gasses have not
regenerated. |
Tank Vessel Safety |
|
A |
You have been
carrying a liquid with flammable limits of 1% to 7% mixture with air. If
your instructions say that no one shall enter the tank if the vapor concentration
is over 15% of the LEL, what is the maximum allowable percentage of vapors
for men to enter? |
0.15 (%) |
0.85 (%) |
1.05 (%) |
7 (%) |
Tank Vessel Safety |
|
A |
Which type of
portable lighting may be used to enter a compartment on a tank barge which
is NOT gas-free? |
An explosion-proof,
self-contained, battery-fed lamp |
A three-cell flashlight |
A spark resistant
and flame retardant lamp |
None of the above |
Tank Vessel Safety |
|
A |
What best describes
for how long a gas-free test is good? |
For the instant
that it is made |
For as long as
is indicated on the gas-free certificate |
Until valves in
line with the tank or compartment are reopened |
Until changes
in temperature or pressure affect the vapor content in the space |
Tank Vessel Safety |
