|
A |
The best information
on the location of the blocks when dry docking a vessel is contained in
the __________. |
ship's docking
plan |
general arrangement
plan |
shell expansion
plan |
docking diagram |
|
D |
Wale shores would
be used when dry docking a vessel with __________. |
a list |
tumble home |
excessive trim |
excessive deadrise |
|
A |
Which of the following
requires the vessel to be dry-docked? |
Inspection of
the tail shaft liner |
Cleaning of the
hull |
Verification of
load line measurements |
Inspection of
the double bottoms |
|
C |
A large basin
cut into the shore, closed off by a caisson, and used for dry docking of
ships is known as a __________. |
slipway |
caisson dock |
graving dock |
ground warp |
|
B |
While in dry dock
your vessel will be belt-gauged. This process involves __________. |
testing and examining
the anchor cables for defective links |
drilling or sonic-testing
the hull to determine the plate thickness |
taking the vessel's
offsets to check for hull deformation |
measuring the
thickness of the tail shaft liner |
|
C |
Which statement
about a vessel's stability while dry-docking is TRUE? |
The stability
of the vessel increases as a dock is pumped out due to the support of the
keel blocks. |
As the dock begins
to support the weight of the vessel, stability calculations are based on
the ship and dock as a single unit. |
Every ton of weight
bearing on the blocks acts as if a ton of weight was removed at keel level. |
When the ship
touches the blocks, the beam for stability purposes increases to the beam
of the dry-dock. |
|
A |
In illustration
D033DG below, what is the structural member indicated by the letter I? |
keel |
center pillar |
girder |
garboard strake |
|
A |
In illustration
D033DG below, which letter indicates a seam? |
E |
H |
L |
M |
|
A |
In illustration
D033DG below, what is the area indicated by the letter G is known as? |
turn of the bilge |
garboard |
stringer plate |
entrance |
|
A |
In illustration
D033DG below, what is the space indicated by the letter J known as? |
double bottom |
bilge tank |
floor space |
flooding barrier |
|
A |
In illustration
D033DG below, what is the structural member indicated by the letter K? |
floor |
stringer |
longitudinal frame |
girder |
|
B |
In illustration
D033DG below, what is the structural member indicated by the letter L? |
bilge keel |
longitudinal |
web frame |
side keel |
|
C |
In illustration
D033DG below, which letter indicates a longitudinal? |
M |
C |
L |
E |
|
D |
In illustration
D033DG below, what does the letter "M" indicate? |
cant frame |
intercostal |
stringer |
web frame |
|
D |
In illustration
D033DG below, which letter indicates the garboard strake? |
A |
B |
G |
H |
|
A |
In illustration
D033DG below, what is the strake of shell plating indicated by letter H
known as? |
garboard strake |
bilge strake |
outboard keel
plate |
sheer strake |
|
D |
In illustration
D033DG below, the structural member indicated by the letter K was fitted
in segments between continuous longitudinals. It is known as which type
of floor? |
Lightened |
Non-watertight |
Open |
Intercostal |
|
B |
In illustration
D033DG below, what is the joint indicated by letter D? |
seam |
butt |
sheet line |
span |
|
D |
In illustration
D033DG below, which letter indicates a butt? |
J |
E |
F |
D |
|
B |
In illustration
D033DG below, the lower seam of the strake indicated by the letter B is
sometimes riveted. Why is this done? |
reduce construction
costs |
serve as a crack
arrestor and prevent hull girder failure |
increase the strength
in a highly stressed area |
provide the flexibility
inherent in a riveted seam |
|
D |
In illustration
D033DG below, what is the structural member indicated by the letter F? |
erection |
girder |
deck support |
pillar |
|
A |
In illustration
D033DG below, the stringer plate is represented by which letter? |
A |
C |
I |
N |
|
D |
In illustration
D033DG below, what is the run of plating labeled A known as? |
sheer strake |
deck longitudinal |
deck strake |
stringer plate |
|
B |
In illustration
D033DG below, what is a wooden deck installed on top of the plating lettered
N known as? |
spar decking |
ceiling |
furring |
flooring |
|
D |
In illustration
D033DG below, what is the plating indicated by the letter N known as? |
floor riders |
tank-top rider
plating |
ceiling |
inner bottom |
|
B |
In illustration
D041DG below, which is the symbol for the vertical plane midway between
the fore and aft perpendiculars? |
2 |
3 |
4 |
5 |
|
B |
In illustration
D041DG below, which of the following is the symbol for the reference from
which transverse measurements are made? |
1 |
5 |
4 |
3 |
|
A |
In illustration
D041DG below, which of the following is the symbol for displacement? |
1 |
2 |
3 |
4 |
|
D |
In illustration
D041DG below, what does symbol 1 refer to? |
angle of inclination |
change of draft |
centerline |
displacement |
|
D |
In illustration
D041DG below, which symbol is the reference from which the height of the
center of gravity is measured? |
5 |
4 |
3 |
2 |
|
B |
In the illustration
D041DG below, what does symbol 2 represent? |
bilge level |
baseline |
beam limit |
displacement |
|
B |
In illustration
D041DG below, which is the symbol for amidships? |
2 |
3 |
4 |
5 |
|
A |
In the illustration
D041DG below, what does symbol 3 represent? |
amidships |
displacement |
baseline |
forward perpendicular |
|
D |
In the illustration
D041DG below, what does symbol 5 represent? |
counterflood limits |
displacement |
leverage center |
centerline |
|
C |
The term "pintle"
and "gudgeon" are associated with the __________. |
steering engine |
jumbo boom |
rudder |
anchor windlass |
|
D |
The projecting
lugs of the rudderpost which furnish support to the rudder are called __________. |
pintles |
rudder lugs |
bases |
gudgeons |
|
A |
The terms "cant
frame" and "counter" are associated with the vessel's __________. |
stern |
cargo hatch |
steering engine |
forecastle |
|
B |
A Kort nozzle
is a(n) __________. |
intake valve on
a diesel engine |
hollow tube surrounding
the propeller used to improve thrust |
nozzle attached
to a firefighting hose |
piston cylinder
on a diesel engine |
|
A |
A "contra-guide"
is a type of __________. |
rudder |
steering engine |
bow thruster |
cargo gear |
|
D |
The horizontal
flat surfaces where the upper stock joins the rudder are the __________. |
lifting flanges |
rudder keys |
shoes of the rudder |
rudder palms |
|
B |
A chock __________. |
permits easy jettisoning
of deck cargo in an emergency |
provides openings
through the bulwark for mooring lines |
prevents stress
concentration in the bulwark |
is a deck fitting
used to shackle gear to the deck |
|
A |
What is the purpose
of the freeing ports on a vessel with solid bulwarks? |
Allow water which
may be shipped on deck to flow off rapidly |
Prevent the formation
of any unusual stress concentration points |
Lighten the above
deck weight caused by a solid bulwark |
Permit easy jettisoning
of deck cargo in an emergency |
|
D |
Freeing ports
on a vessel with solid bulwarks __________. |
permit easy jettison
of deck cargo in an emergency |
provide openings
through the bulwarks for mooring lines |
prevent stress
concentration in the bulwark |
allow water shipped
on deck to flow off rapidly |
|
A |
One function of
a bulwark is to __________. |
help keep the
deck dry |
prevent stress
concentrations on the stringer plate |
reinforce the
side stringers |
protect against
twisting forces exerted on the frame of the vessel |
|
A |
A deck fitting,
used to secure line or wire rope, consisting of a single body with two protruding
horns is called a __________. |
cleat |
bitt |
capstan |
bollard |
|
C |
A vessel is constructed
with a steel hull and an aluminum superstructure. Which statement is TRUE? |
The aluminum will
provide greater resistance to the spread of fire by conduction. |
The steel at the
area of the aluminum-to-steel connection must be closely checked for galvanic
corrosion. |
The aluminum structure
is usually attached to a steel coaming by a method that insulates the two
metals. |
If the superstructure
is stressed, an aluminum structure requires additional expansion joints
to prevent fracture. |
|
C |
Holes in the bulwark,
which allow deck water to drain into the sea, are __________. |
doggers |
swash ports |
freeing ports |
fidleys |
|
D |
When using the
term "limber system" one is referring to a __________. |
cleaning system |
weight reduction
system |
strengthening
system |
drainage system |
|
C |
"Limber"
is a term associated with __________. |
securing gear |
emergency gear |
drainage |
deck cargo storage |
|
A |
Which is an advantage
of using watertight longitudinal divisions in double bottom tanks? |
Cuts down free
surface effect |
Lowers the center
of buoyancy without decreasing GM |
Decreases weight
because extra stiffeners are unneeded |
Increases the
rolling period |
|
C |
The floors in
a vessel's hull structure are kept from tripping, or folding over, by __________. |
transverse deck
beams |
longitudinal deck
beams |
bottom longitudinals |
face plates |
|
A |
Floors aboard
ship are __________. |
frames to which
the tank top and bottom shell are fastened on a double bottomed ship |
longitudinal angle
bars fastened to a surface for strength |
longitudinal beams
in the extreme bottom of a ship from which the ship's ribs start |
transverse members
of the ships frame which support the decks |
|
B |
Aboard ship, vertical
flat plates running transversely and connecting the vertical keel to the
margin plates are called __________. |
girders |
floors |
stringers |
intercostals |
|
C |
Frames to which
the tank top and bottom shell are fastened are called __________. |
stringers |
intercostals |
floors |
tank top supports |
|
A |
Vertical structural
members attached to the floors that add strength to the floors are called
__________. |
stiffeners |
boss plates |
buckler plates |
breast hooks |
|
A |
What is NOT an
advantage of double bottom ships? |
They are less
expensive to construct because of increased access space. |
The center of
gravity of a loaded bulk cargo ship may be raised to produce a more comfortable
roll. |
The floors and
longitudinals distribute the upward push of the water on the ship's bottom. |
The tank top forms
a second skin for the vessel. |
|
D |
Which statement
is TRUE concerning protection of double bottom tanks against excessive pressure? |
There must be
twice as much vent area as the area of the fill line. |
Each vent for
the tank must be equal to the area of the tank filling line. |
The tanks must
be protected by overflows. |
The total area
of the vents or the overflow shall be at least 125% of the area of the fill
line. |
|
D |
Which statement
concerning solid floors is TRUE? |
They are lighter
than open floors. |
They must be watertight. |
They are built
of structural frames connected by angle struts and stiffeners, with flanged
plate brackets at each end. |
They may have
lightening, limber, or air holes cut into them. |
|
C |
The "inner
bottom" is the __________. |
compartment between
the tank top and shell of the vessel |
inner side of
the vessel's shell |
tank top |
space between
two transverse bottom frames |
|
D |
What is used to
prevent accidental flooding of a double bottom or peak tanks in the event
of a pipe rupture due to collision? |
Pipe lines must
run vertically from the tank to a point above the margin line before turning
fore or aft towards the pump. |
Separate lines
are provided for filling and pumping these tanks. |
All tanks must
be served by the fewest possible number of pipes to reduce the possibility
of rupture. |
Suction lines
are fitted with a non-return valve |
|
D |
The usual depth
of a beam bracket is __________. |
same depth as
the beam |
5 times the depth
of the beam |
10 times the depth
of the beam |
2 1/2 times the
depth of the beam |
|
C |
A deck beam does
NOT __________. |
act as a web to
prevent plate wrinkling due to twisting action on the vessel |
act as a tie to
keep the sides of the ship in place |
lessen the longitudinal
stiffness of the vessel |
act as a beam
to support vertical deck loads |
|
B |
The deck beam
brackets of a transversely framed vessel resist __________. |
shearing stresses |
racking stresses |
sagging stresses |
hogging stresses |
|
C |
Beams are cambered
to __________. |
increase their
strength |
relieve deck stress |
provide drainage
from the decks |
All of the above. |
|
A |
Which term refers
to a transverse curvature of the deck? |
Camber |
Deadrise |
Flare |
Freeboard |
|
D |
The strength of
a deck will be increased by adding __________. |
hatch beams |
sheer |
camber |
deck beam brackets |
|
D |
The pillar shape
that gives the greatest strength for the least weight is the __________. |
"H"
Beam pillar |
"I"
Beam pillar |
octagonal pillar |
circular type
pillar |
|
C |
A carling is used
aboard ship __________. |
to prevent the
anchor from fouling when the brake is released |
to provide an
extra heavy fitting in a heavy lift cargo rig |
to stiffen areas
under points of great stress between beams |
as a connecting
strap between the butted ends of plating |
|
B |
A partial deck
in a hold is called a(n) __________. |
shelter deck |
orlop deck |
main deck |
weather deck |
|
B |
The ceiling is
__________. |
material driven
into seams or cracks to prevent leaking |
a wooden protection
placed over the tank top |
the overhead in
berthing compartments |
None of the above
are correct |
|
C |
The wooden planking
that protects the tank top from cargo loading is called __________. |
toms |
shores |
ceiling |
frames |
|
A |
Regulations define
the bulkhead deck as __________. (subdivision and stability regulations) |
the uppermost
deck to which transverse watertight bulkheads extend |
the uppermost
complete deck |
the lowermost
deck to which transverse watertight bulkheads extend |
any deck extending
from stem to stern |
|
B |
The maximum length
allowed between main, transverse bulkheads on a vessel is referred to as
the __________. |
floodable length |
permissible length |
compartment standard |
factor of subdivision |
|
B |
Camber, in a ship,
is usually measured in __________. |
feet per feet
of length |
inches per feet
of breadth |
feet per feet
of breadth |
inches per feet
of length |
|
D |
The maximum length
allowed between main, transverse bulkheads on a vessel is referred to as
the __________. |
floodable length |
factor of subdivision |
compartment standard |
permissible length |
|
D |
In ship construction,
keel scantlings should be the greatest __________. |
one-third the
distance from the bow |
at each frame |
one-third the
distance from the stern |
amidships |
|
D |
Keel scantlings
of any vessel are greatest amidships because __________. |
of severest racking
stresses |
resistance to
grounding is at a maximum amidships |
connections between
forebody and afterbody are most crucial |
of maximum longitudinal
bending moments |
|
C |
The "margin
plate" is the __________. |
outer strake of
plating on each side of the main deck of a vessel |
uppermost continuous
strake of plating on the shell of a vessel |
outboard strake
of plating on each side of an inner bottom |
plate which sits
atop the center vertical keel |
|
A |
The terms "ceiling"
and "margin plate" are associated with the __________. |
tank top |
engine room |
crew's quarters |
main deck |
|
B |
A term applied
to the bottom shell plating in a double-bottom ship is __________. |
shear plating |
outer bottom |
bottom floor |
tank top |
|
B |
In a transversely
framed ship, the transverse frames are supported by all of the following
EXCEPT __________. |
longitudinals |
web plates |
side stringers |
girders |
|
B |
In a longitudinally-framed
ship, the longitudinal frames are held in place and supported by athwartship
members called __________. |
stringers |
web frames |
floors |
margin plates |
|
B |
When the longitudinal
strength members of a vessel are continuous and closely spaced, the vessel
is __________. |
transversely framed |
longitudinally
framed |
web framed |
intermittently
framed |
|
C |
A vessel having
continuous closely spaced transverse strength members is __________. |
cellular framed |
longitudinally
framed |
transversely framed |
web framed |
|
A |
In ship construction,
frame spacing is __________. |
reduced at the
bow and stern |
greater at the
bow and stern |
uniform over the
length of the vessel, with the exception of the machinery spaces, where
it is reduced due to increased stresses |
uniform over the
length of the vessel |
|
D |
Why are most break
bulk vessels built with the transverse framing system rather than the longitudinal
system? |
The numerous longitudinal
frames cause excessive broken stowage. |
The transverse
system provides better support to the varying cargo densities on a break
bulk vessel. |
The transverse
system is more resistant to hog and sag stresses. |
The deep web frames
interfere with the stowage of break bulk cargo. |
|
C |
Transverse frames
are more widely spaced on a ship that is designed with the __________. |
isometric system
of framing |
transverse system
of framing |
longitudinal system
of framing |
centerline system
of framing |
|
B |
What is the purpose
of cant frames in steel vessels? |
To support the
overhang of the stern |
To provide strength
to shell plating at the stern |
To support the
plating of a cylindrical tank |
To add strength
to the deck beams which support the weather decks |
|
C |
Reinforcing frames
attached to a bulkhead on a vessel are called __________. |
intercostals |
brackets |
stiffeners |
side longitudinals |
|
A |
Lighter longitudinal
stiffening frames on the vessel's side plating are called __________. |
stringers |
side stiffeners |
intercostals |
side frames |
|
B |
The term "scantlings"
refers to the __________. |
placement of a
vessel's load line |
measurements of
structural members |
draft of a vessel |
requirements for
ship's gear |
|
A |
The garboard strake
is the __________. |
row of plating
nearest the keel |
raised flange
at the main deck edge |
riveting pattern
most commonly used in ship construction |
riveted crack
arrester strap on all-welded ships |
|
B |
The strake on
each side of the keel is called a __________. |
sheer strake |
garboard strake |
gatewood strake |
insulation strake |
|
D |
In vessel construction,
the garboard strake is __________. |
located next to
and parallel to the gunwale |
another term for
the rub rail |
another term for
the bilge keel |
located next to
and parallel to the keel |
|
A |
Another name for
the garboard strake is the __________. |
A strake |
stringer plate |
Z strake |
side keel plate |
|
C |
The term "strake"
is used in reference to __________. |
rudder mountings |
anchor gear |
hull plating |
vessel framing |
|
D |
The joint formed
when two steel shell plates are placed longitudinally side to side is called
a __________. |
strake |
bevel |
bond |
seam |
|
B |
The joint formed
when two steel plates are placed end-to-end is called a __________. |
seam |
butt |
bond |
bevel |
|
A |
Owing to the greater
girth of a ship amidships than at the ends, certain strakes are dropped
as they approach the bow and stern to reduce the amount of plating at the
ends. These strakes are called __________. |
drop strakes |
throughs |
stealers |
voids |
|
D |
To reduce the
number of strakes at the bow, two strakes are tapered and joined at their
ends by a single plate. This plate is known as a __________. |
lap strake |
cover plate |
joiner |
stealer plate |
|
A |
Which arrangement
of shell plating is used most in modern shipbuilding? |
Flush |
In-and-Out |
Joggled |
Clinker |
|
C |
What is NOT an
advantage of ship construction methods using welded butt joints in the shell
plating? |
Keeps practically
100% of tensile strength at the joints |
Reduces frictional
resistance |
Reduces plate
stress |
Reduces weight |
|
A |
Which is NOT an
advantage of the flush method of welded shell plating? |
Reduces plate
stress |
Reduces weight |
Reduces frictional
resistance |
Keeps practically
100% of tensile strength at the joints |
|
A |
Shell plating
that has curvature in two directions and must be heated and hammered to
shape over specially prepared forms is called __________. |
furnaced plate |
rolled plate |
compound plate |
flat plate |
|
B |
Shell plating
is __________. |
a hatch cover |
the outer plating
of a vessel |
the galvanizing
on steel |
synonymous with
decking |
|
B |
The function of
the bilge keel is to __________. |
add strength to
the bilge |
reduce the rolling
of the vessel |
serve as the vessel's
main strength member |
protect the vessel's
hull when alongside a dock |
|
A |
Bilge keels are
more effective at dampening rolls as the __________. |
rolling increases |
draft decreases |
pitching increases |
list increases |
|
C |
Which statement
about bilge keels is CORRECT? |
They attach to
a low stress area. |
They provide support
when the vessel is dry docked. |
They increase
resistance to rolling. |
They are critical
strength members and require careful design consideration. |
|
C |
The fore and aft
run of deck plating which strengthens the connection between the beams and
the frames and keeps the beams square to the shell is called the __________. |
garboard strake |
limber strake |
stringer strake |
sheer strake |
|
A |
To rigidly fasten
together the peak frames, the stem, and the outside framing, a horizontal
plate is fitted across the forepeak of a vessel. This plate is known as
a(n) __________. |
breasthook |
joiner |
intercostal plate |
apron plate |
|
B |
Panting frames
are located in the __________. |
forward double
bottoms |
fore and after
peaks |
centerline tanks
on tankships |
after double bottoms |
|
A |
A thirty pound
plate would be __________. |
3/4" thick |
1/2" thick |
1" thick |
3/8" thick |
|
C |
The thickness
of a 30.6 pound plate is __________. |
3/8" |
1/2" |
3/4" |
1" |
|
D |
What term indicates
the line drawn at the top of the flat plate keel? |
Designer's waterline |
Molded line |
Keel line |
Base line |
|
A |
What descriptive
term indicates that the dimension is measured from the inner face of the
shell or deck plating? |
Molded |
Tonnage |
Register |
Effective |
|
A |
Which term indicates
the rise in height of the bottom plating from the plane of the base line? |
Deadrise |
Sheer |
Camber |
Molded height |
|
A |
By definition,
a "spar deck" is the __________. |
upper or weather
deck above the main strength deck |
lower most continuous
deck not broken by water tight bulkheads |
after most weather
deck above the main strength deck |
deck of light
construction below the main or strength deck |
|
C |
A vessel's "quarter"
is that section which is __________. |
abeam |
dead astern |
on either side
of the stern |
just aft of the
bow |
|
B |
The point that
is halfway between the forward and after perpendicular and is a reference
point for vessel construction is the __________. |
center line |
amidships |
mid-body |
half length |
|
C |
The vessel's "quarter"
is located __________. |
dead astern |
abeam |
on either side
of the stern |
just forward of
the beam on either side |
|
D |
What term indicates
the length measured along the summer load line from the intersection of
that load line with the foreside of the stem and the intersection of that
load line with the aft side of the rudder post? |
Length on the
waterline |
Register length |
Length overall |
Length between
perpendiculars |
|
C |
The space above
the engine room is called the __________. |
noble |
gold locker |
fidley |
middle hatch |
|
A |
The purpose of
a bilge well is to __________. |
collect water
to be pumped out |
provide access
for the pneumercator |
afford access
to the shell through the double bottoms |
provide a base
line for sounding measurements |
|
B |
A "strongback"
refers to a __________. |
spanner stay |
bar securing a
cargo port |
centerline vertical
bulkhead |
deep beam |
|
C |
The beam of a
vessel refers to the __________. |
molded depth of
the vessel |
internal cubic
capacity |
width of the vessel |
depth between
decks |
|
C |
Freeboard is measured
from the upper edge of the __________. |
bulwark |
sheer strake |
deck line |
gunwale bar |
|
A |
Molded depth is
measured from the __________. |
inside of the
shell |
outside of the
shell |
top of the garboard
stake |
top of the center
vertical keel |
|
C |
The upward slope
of a vessels bottom from the keel to the bilge is called __________. |
sheer |
camber |
rise of bottom |
rake |
|
D |
What term indicates
a curvature of the decks in a longitudinal direction? |
Deadrise |
Camber |
Flare |
Sheer |
|
B |
What term indicates
the immersed body of the vessel forward of the parallel mid-body? |
Sheer |
Entrance |
Flare |
Run |
|
D |
What term indicates
the midships portion of a vessel that has a constant cross section? |
Amidships |
Molded length |
Half length |
Middle body |
|
C |
What term indicates
the immersed body of the vessel aft of the parallel mid-body? |
Flow |
Counter |
Run |
Stern |
|
C |
What term indicates
the outward curvature of the hull above the waterline? |
sheer |
tumble home |
flare |
deadrise |
|
B |
What term indicates
an inward curvature of the ship's hull above the waterline? |
Deadrise |
Tumble home |
Camber |
Flare |
|
A |
The fittings used
to secure a watertight door are known as __________. |
dogs |
clamps |
latches |
clasps |
|
D |
In nautical terminology
a "dog" is a __________. |
heavy steel beam |
crow bar |
wedge |
device to force
a water tight door against the frame |
|
B |
The perforated,
elevated bottom of the chain locker, which prevents the chains from touching
the main locker bottom and allows seepage water to flow to the drains, is
called a __________. |
harping |
manger |
cradle |
draft |
|
B |
The purpose of
sheer in ship construction is to __________. |
eliminate the
need for margin plates |
allow the ship
to ride waves with drier decks |
eliminate the
need for butt straps |
give greater strength
at the deck edge |
|
B |
A set of interior
steps on a ship leading up to a deck from below is known as __________. |
stairs |
a companion way |
'tween-decks |
All of the above. |
|
B |
A cofferdam is
__________. |
a heavy fore-and-aft
beam under the deck |
made by placing
two bulkheads a few feet apart |
a member that
gives fore-and-aft strength |
any deck below
the main deck and above the lowest deck |
|
D |
The Sheer Plan
__________. |
has the forebody
to the right of centerline and afterbody to the left of centerline |
is an endwise
view of the ship's molded form |
is usually drawn
for the port side only |
shows a longitudinal
side elevation |
|
A |
The half-breadth
plan is __________. |
usually drawn
for the port side only |
an endwise view
of the ship's molded form |
a plan with the
forebody to right of centerline and afterbody to the left of centerline |
a longitudinal
side elevation |
|
C |
The body plan
of a vessel is a(n) __________. |
plan made looking
down on the ship, showing it's hull cut horizontally by the first set of
planes |
vertical view
made looking up in the ship, with the keel at the center |
endwise view of
the ship's molded form |
longitudinal side
elevation view |
|
A |
Freeboard is measured
from the upper edge of the __________. |
deck line |
gunwale bar |
sheer strake |
bulwark |
|
B |
What is the name
given to the distance between the waterline of a vessel and the main continuous
deck of a vessel? |
The draft |
The freeboard |
The camber |
Buoyancy |
|
C |
A long ton is
__________. |
1,000 pounds |
2,000 pounds |
2,240 pounds |
2,400 pounds |
|
B |
A weight of 1,000
short tons is equivalent to __________. |
2,000 pounds |
2,000 kips |
2,240 long tons |
1,500 foot-pounds |
|
C |
A short ton is
a unit of weight consisting of __________. |
2,240 pounds |
1,000 pounds |
2,000 pounds |
2,205 pounds |
|
C |
What is the difference
between net tonnage and gross tonnage? |
Net tonnage is
tonnage of cargo compared to tonnage of whole ship. |
There is no difference. |
Net tonnage is
the gross tonnage less certain deductions for machinery and other areas. |
Net tonnage is
the net weight of the ship. |
|
A |
Gross tonnage
indicates the vessel's __________. |
volume in cubic
feet |
draft in feet |
total weight including
cargo |
displacement in
metric tons |
|
A |
Tonnage openings
must be closed by means of __________. |
steel plates |
wooden hatch boards |
steel hatch boards |
press board |
|
C |
A well in the
uppermost deck of a shelter deck vessel which has only a temporary means
of closing for the purpose of gaining an exemption from tonnage measurement
is called a(n) __________. |
exemption space |
tonnage deck |
tonnage opening |
cofferdam |
|
C |
The term that
indicates how many tons of cargo a vessel can carry is __________. |
bale cubic |
loaded displacement |
deadweight |
gross tonnage |
|
B |
The total weight
of cargo, fuel, water, stores, passengers and crew, and their effects, that
a ship can carry, is the __________. |
loaded displacement |
deadweight |
bale cubic |
gross tonnage |
|
C |
Sometimes it is
desirable to connect a member both by riveting and welding. Which statement
is TRUE concerning this procedure? |
Tearing through
the member is more likely in this type connection. |
The weld increases
the tensile stress on the rivet heads. |
The welding must
be completed before the riveting commences. |
The weld may be
broken by the stresses caused by riveting. |
|
C |
A welded joint's
effectiveness is considered __________. |
48 (%) |
90 (%) |
100 (%) |
121 (%) |
|
A |
What welding pattern
is NOT used to permanently attach a stiffener to a plate? |
Tack |
Chain intermittent |
Continuous |
Staggered intermittent |
|
C |
The welds used
to attach stiffeners to a plate are known as __________. |
butt welds |
plate welds |
fillet welds |
seam welds |
|
A |
The welds used
to join shell plates in flush construction are known as __________. |
butt welds |
seam welds |
fillet welds |
continuous welds |
|
A |
Which type of
weld testing can be used to detect internal flaws? |
Radiographic |
Chemical reaction |
Dye penetrant |
Magnetic particle |
|
C |
Which type of
weld testing can be used to detect internal flaws? |
Magnetic particle |
Dye penetrant |
Ultrasonic |
Chemical reaction |
|
B |
Which weld fault
can only be detected by a method that examines the internal structure of
a weld? |
Lack of reinforcement |
Lack of penetration |
Undercut |
Overlap |
|
C |
Ultrasonic testing
is used to determine the thickness of a vessel's shell plating and to __________. |
test the links
of the anchor cables while being ranged |
check the wear
of the rudder carrier bearing |
test welds for
subsurface defects |
provide tail shaft
clearances |
|
C |
The type of welding
employed in shipyards is primarily __________. |
brazing |
thermite welding |
electric arc |
pressure welding |
