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Preview MODU Deck Safety & Environmental Protection 
23 
B 
A branch line valve of a fire extinguishing system on a MODU must be marked with the. 
maximum pressure allowed at that branch 
name of the space or spaces which it serves 
date of the last maintenance inspection 
pressure needed to maintain an effective stream at that point 
41 
A 
A hydraulic accumulator, used in a hydraulic system aboard a MODU, is designed to. 
store fluid under pressure 
act as the main fluid reservoir 
provide the only means of overpressure relief 
act as the singular source of fluid replenishment to a system 
42 
C 
A casualty report of an intentional grounding of a MODU is required under what condition? 
Under any condition 
If the grounding lasts over 24 hours 
If it creates a hazard to the environment 
At the owner's discretion 
52 
C 
A CO2 extinguisher on a MODU which has lost 10% of its charge must be. 
used at the earliest opportunity 
hydrotested 
recharged 
weighed again in one month 
65 
C 
A construction portfolio prepared for each new offshore drilling unit must be approved by the . 
American Bureau of Shipping 
National Cargo Bureau 
U.S. Coast Guard 
Minerals Management Service 
66 
B 
A continual worsening of the list or trim of any floating MODU indicates. 
negative GM 
progressive flooding 
structural failure 
an immediate need to counterflood 
67 
A 
A continuous watertight bulkhead on a MODU is normally also a(n). 
structural bulkhead 
exterior bulkhead 
centerline bulkhead 
joiner bulkhead 
75 
D 
A cutoff valve in the firemain system of a MODU may be closed to protect the portion of the system on an exposed deck from. 
damage from crane operations 
being used for wash down purposes 
accidental diversion of flow to wrong location 
freezing 
110 
C 
A fire pump on a MODU requires 175 psi discharge pressure to maintain the required 50 psi pitot tube pressure at the two highest hydrants. The maximum setting for the relief valve is. 
125 psi 
175 psi 
200 psi 
225 psi 
117 
C 
A fixed CO2 system on a MODU with a capacity of over 300 lbs (136 kilograms) CO2 which protects spaces other than tanks must have. 
two or more releasing stations 
automatic release in event of a fire 
an audible alarm and time delay 
an audible and visible alarm 
119 
B 
A floating jackup with displacement of 15,000 kips has its LCG 106 feet aft of frame zero (AF0). If 200 short tons are loaded at 20 feet AF0 and 400 short tons are loaded 149 feet AF0, what is the new LCG? 
105.5 feet 
106.0 feet 
108.3 feet 
111.8 feet 
120 
C 
A floating jackup with displacement of 15,000 kips has its LCG 108 feet aft of frame zero (AFO). If 400 kips are loaded at 120 feet AFO and 800 kips are loaded 150 feet AF0, what is the new LCG? 
100.0 feet 
109.2 feet 
110.4 feet 
119.2 feet 
121 
A 
A floating jackup with displacement of 16,200 kips has its LCG 110.37 feet aft of frame zero (AF0). If 200 short tons are discharged from 120 feet AF0 and 400 short tons are discharged from 150 feet AF0, what is the new LCG? 
108.0 feet 
109.2 feet 
110.4 feet 
115.8 feet 
122 
C 
A floating MODU displacing 20,000 long tons with a VCG of 50 feet loads 100 long tons at 100 feet above the baseline and 200 long tons at 130 feet above the baseline. What is the new KG? 
49.0 feet 
50.0 feet 
51.0 feet 
51.8 feet 
123 
C 
A floating MODU with an initial negative metacentric height . 
will capsize 
will incline further 
may lie at an angle of loll 
may be initially level 
139 
B 
A hurricane has recurved to the northeast and its forward speed is 20 knots. Your MODU is located 600 miles northeast of the hurricane's center. How long will it take for the hurricane center to reach your position if it holds its present course and speed? 
10 hours 
30 hours 
50 hours 
80 hours 
140 
A 
A hydraulic accumulator aboard a MODU is designed to . 
store fluid under pressure 
act as a fluid reservoir 
provide overpressure relief 
replenish fluid to a system 
144 
C 
A jackup 180 feet in length with the LCF at 120 feet AF0 has a true mean draft (draft at LCF) of 10 feet. If the trim is 3 feet by the stern, what is the draft at the stern? 
8.0 feet 
9.0 feet 
11.0 feet 
12.0 feet 
145 
C 
A jackup 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the mean draft? 
8.0 feet 
9.0 feet 
9.5 feet 
12.0 feet 
146 
C 
A jackup 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the true mean draft (draft at the center of flotation)? 
8.0 feet 
9.0 feet 
10.0 feet 
11.0 feet 
147 
C 
A jackup 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern? 
2.0 feet 
2.4 feet 
3.0 feet 
6.0 feet 
148 
C 
A jackup 180 feet in length with the LCF at 120 feet AFO has a true mean draft (draft at LCF) of 10 feet. If the trim is 3 feet by the stern, what is the draft at the stern? 
8.0 feet 
9.0 feet 
11.0 feet 
12.0 feet 
149 
B 
A jackup 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the bow to level the jackup if 150 kips are loaded at the transom? 
50 kips 
75 kips 
100 kips 
200 kips 
150 
D 
A jackup 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the stern to relevel the jackup if 75 kips is applied at the bow? 
50 kips 
75 kips 
100 kips 
150 kips 
151 
D 
A jackup displacing 15,000 kips has a KG of 20 feet. The legs weighing 3,500 kips are lowered 100 feet. What is the new KG? 
23.33 feet 
18.67 feet 
4.67 feet 
3.33 feet 
152 
D 
A jackup displacing 350,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs . 
10,000 kips 
18,169 kips 
21,841 kips 
22,400 kips 
153 
A 
A jackup drilling rig being towed must. 
turn off all lights that interfere with the navigation lights 
turn on all available working lights on deck 
ring the bell rapidly for five seconds once a minute 
display two black diamonds in a vertical line during the day 
154 
A 
A jackup drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound . 
a 2second blast every 20 seconds 
a 4second blast every 20 seconds 
an 8second blast every 30 seconds 
a 10second blast every 30 seconds 
155 
C 
A jackup has 8 inches of trim by the stern. Calculations show that the moment required to change trim one inch (MCT1") is 500 footkips. To level the unit, how far must a weight of 50 kips be transferred toward the bow? 
10.0 feet 
62.5 feet 
80.0 feet 
100.0 feet 
156 
B 
A jackup is trimmed six inches by the bow. The moment required to change trim one inch (MCT1") is 1200 footkips. Transferring 200 kips of drill water from a tank with an LCG of 20 feet to a tank with an LCG of 140 feet results in a final trim of. 
zero trim (level) 
1 foot 2 inches by the stern 
1 foot 8 inches by the stern 
2 feet 2 inches by the stern 
157 
B 
A jackup level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of 30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is. 
667 footkips 
833 footkips 
1,400 footkips 
1,667 footkips 
158 
D 
A jackup with a calculated moment to change list one inch (MCL1") of 1,200 footkips intends to transfer 100 kips of weight in a transverse direction. How far should the weight be transferred to change the draft on the port side from 11.5 to 11.0 feet? 
12 feet 
48 feet 
120 feet 
144 feet 
159 
D 
A jackup with a calculated moment to change list one inch (MCL1") of 1,350 footkips intends to transfer drill water from a tank with a TCG of 82 feet to a tank with a TCG of 18 feet. How much weight should be transferred to change the draft on the port side from 11.0 to 11.5 feet? 
67.5 kips 
81.0 kips 
126.6 kips 
253.1 kips 
160 
A 
A jackup with displacement of 10,000 kips has its LCG 100 feet aft of frame zero (AFO). If 200 kips are loaded at 60 feet AFO and 100 kips are discharged from 20 feet AFO, what is the new LCG? 
100.0 feet 
100.4 feet 
100.8 feet 
101.2 feet 
161 
C 
A jackup, 180 feet in length, has the center of flotation at 110 feet aft of frame zero. The draft at the bow is 11.0 feet and the draft at the stern is 13.0 feet. What is the true mean draft? 
11.78 feet 
12.00 feet 
12.22 feet 
12.78 feet 
162 
C 
A jackup, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the heel? 
1 foot to starboard 
2 feet to starboard 
2 feet to port 
1 foot to port 
163 
D 
A jackup, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the new starboard draft? 
12 feet 
11 feet 
10 feet 
9 feet 
164 
B 
A jackup, while level in transit at 10 feet draft, experiences a wind gust which results in a starboard draft of 11 feet 6 inches. What is the heel? 
1 foot 6 inches to starboard 
3 feet to starboard 
3 feet to port 
1 foot 6 inches to port 
178 
B 
A life preserver or buoyant work vest is required to be worn on a MODU when a person is. 
working on the rig floor 
working over water 
working on the pipe racks 
operating line throwing equipment 
185 
D 
A load line for a MODU is assigned by the 
Minerals Management Service 
Department of Energy 
Corps of Engineers 
A recognized classification society approved by the Coast Guard 
186 
D 
A load line is assigned to a MODU to insure adequate stability and. 
mooring tension 
riser tension 
lifesaving equipment 
structural strength 
202 
A 
A matsupported jackup is best suited for drilling in locations with bottom conditions which are . 
soft and level 
firm and uneven 
sloping 
coral 
203 
A 
A mattype drilling unit tows more slowly than a jack up unit due to. 
the drag of the mat 
its deeper draft 
its tubular legs 
the design of the bow 
204 
A 
A mattype jackup drilling unit is the best selection for . 
soft mud bottoms 
uneven bottoms 
deep water 
hard bottoms 
210 
A 
A mobile offshore drilling unit crane certificate is required to be maintained. 
on the unit 
in the company office 
on file with the OCMI 
on file with the American Bureau of Shipping 
211 
B 
A mobile offshore drilling unit is on the waters of the U.S. Outer Continental Shelf. It has a length of 220 feet and a breadth of 190 feet. Where must the obstruction lights be located? 
At the top of the drill mast 
On each corner of the rig 
At the bow of the rig 
At the bow and stern of the rig 
212 
B 
A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is. 
under tow 
fixed to the seabed 
underway 
All of the above 
213 
D 
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? 
When the towing vessel enters the fog 
When the drilling rig enters the fog 
When the towing vessel can no longer be seen from the rig 
Immediately 
214 
B 
A mobile offshore drilling unit will show the dayshape in DIAGRAM 10 to indicate that it is. 
at anchor 
being towed 
aground 
drilling 
215 
A 
A MODU crane which has been idle for a period of over six months shall be inspected to the same standards as a. 
yearly inspection 
quarterly inspection 
monthly inspection 
weekly inspection 
216 
D 
A MODU displacing 10,000 long tons with KG 20.0 feet, uses its crane to lift a 40 long ton load from dockside and place it on board at a VCG of 5.0 feet. When lifting, the head of the crane boom is 50.0 feet above the keel. During the lift, what is the apparent increase in KG? 
0.02 foot 
0.12 foot 
0.18 foot 
0.20 foot 
217 
B 
A MODU displacing 10,000 tons uses its crane to lift a 20 ton load, already aboard, to a height of 5 feet above the deck. When lifting, the head of the crane boom is 50 feet above the load. What is the change in KG? 
No change 
0.1 foot 
0.2 foot 
1.0 foot 
218 
C 
A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is added at a VCG of 150 feet. The change in KG is. 
1.09 feet 
1.60 feet 
1.58 feet 
2.73 feet 
219 
C 
A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG 150 feet. The change in KG is. 
1.09 feet 
1.60 feet 
1.64 feet 
2.73 feet 
220 
A 
A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. To maintain draft, ballast is added at a VCG of 10 feet. What is the change in KG? 
2.5 feet downward 
2.0 feet downward 
1.5 feet downward 
1.0 foot downward 
221 
C 
A MODU displacing 29,500 long tons has a KG of 60 feet. A weight of 500 long tons is added at a VCG of 150 feet. What is the change in KG? 
2.5 feet upward 
2.0 feet upward 
1.5 feet upward 
1.0 foot upward 
222 
C 
A MODU displacing 30,500 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. What is the change in KG? 
2.5 feet downward 
2.0 feet downward 
1.5 feet downward 
1.0 foot downward 
223 
B 
A MODU floating in sea water while displacing 20,000 long tons has transverse free surface moments of 7,500 ftlong tons and longitudinal free surface moments of 10,000 ftlong tons. The maximum virtual rise in the height of the center of gravity due to free surfaces is. 
0.35 foot 
0.50 foot 
0.88 foot 
2.00 feet 
224 
B 
A MODU having continuous closely spaced transverse strength members is. 
longitudinally framed 
transversely framed 
cellular framed 
web framed 
225 
C 
A MODU helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least. 
30 gallons per minute 
40 gallons per minute 
50 gallons per minute 
60 gallons per minute 
226 
C 
A MODU is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is . 
positive 
negative 
zero 
vertical 
227 
C 
A MODU lists and trims about the. 
center of gravity 
center of buoyancy 
center of flotation 
centroid of the underwater volume 
228 
B 
A MODU must have a selfcontained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement, you may use. 
a gas mask certified by the Mine Safety and Health Administration 
the same self contained breathing apparatus required with the fireman's outfit 
an oxygen breathing apparatus, provided that the device has been inspected within three years 
a portable ventilation system that will provide a complete change of air every three minutes 
229 
C 
A MODU must have on board a firstaid kit that is approved by the. 
Minerals Management Service 
Occupational Safety and Health Administration 
Mine Safety and Health Administration 
American Bureau of Shipping 
230 
D 
A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office? 
Nearest Oceanographic office 
The Marine Safety Center at Coast Guard Headquarters 
National Ocean Service 
Nearest Officer in Charge, Marine Inspection 
231 
C 
A MODU required to carry an Oil Record Book must maintain the book on board for. 
one year 
two years 
three years 
four years 
232 
A 
A MODU which is required to carry an Oil Record Book must log in the book. 
discharge of ballast or cleaning water from fuel tanks 
sounding levels of all fuel tanks on a daily basis 
the grade and specific gravity of all fuel oil carried 
fuel consumption rates on a weekly basis 
233 
C 
A MODU with a displacement of 15,000 kips has a KG of 20 feet. A load of 300 kips is shifted from a VCG of 100 feet to a VCG of 10 feet. How far does the KG move? 
0.2 foot downward 
0.2 foot upward 
1.8 feet downward 
1.8 feet upward 
234 
A 
A MODU with the TCG off the longitudinal centerline inclines to an angle of. 
list 
heel 
trim 
loll 
245 
A 
A nonsymmetrical tank aboard a MODU contains 390 tons of ballast at a VCG of 9.85 feet. Ballast weighing 250 tons and a VCG of 12.0 feet is discharged. The vertical moments for the remaining ballast is. 
842 ftlong tons 
3,000 ftlong tons 
3,842 ftlong tons 
6,842 ftlong tons 
263 
C 
A person who holds a foreign license can serve as the ballast control operator to meet manning requirements on a MODU on waters outside U.S. jurisdiction until the. 
MODU's contract is completed 
Certificate of Inspection is renewed 
MODU returns to a U.S. port 
Operations Manual is revised 
271 
C 
A qualified person must be assigned as the second in command of a lifeboat on a MODU if the lifeboat has a capacity of more than. 
20 persons 
30 persons 
40 persons 
50 persons 
272 
A 
A quick and rapid motion of a MODU in a seaway is an indication of a(n). 
large GM 
high center of gravity 
excessive free surface 
small GZ 
274 
D 
A record of the types and strengths of steels used on a MODU must be included in the. 
general plans 
builder's documentation 
Certificate of Inspection 
construction portfolio 
276 
C 
A report of casualty to a mobile offshore drilling unit must be made in writing to which office? 
Commandant of the Coast Guard 
Owner of the unit 
Nearest Coast Guard Marine Safety Office 
Captain of the nearest port 
277 
D 
A report of casualty to a mobile offshore drilling unit must include. 
the estimated cost of damage to the unit 
an evaluation of who was at fault 
the amount of ballast on board 
the name of the owner or agent of the unit 
312 
B 
A semisubmersible 300 feet long and an LCF of 0 (amidships) is in transit with hulls awash and an MT1" of 87.67 foottons. Work on the BOP (weight 263 long tons) requires that it be moved aft 12 feet. What is the resulting trim change? 
1.5 feet 
3.0 feet 
6.0 feet 
7.3 feet 
313 
B 
A semisubmersible at a draft of 19 feet 9 inches arrives on location planning to deploy eight mooring lines. Each anchor weighs 15 long tons and each mooring line consists of 3,000 feet of 3inch chain (89.6 lbs/ft). If no ballast corrections are made, what is the expected draft if the average TPI is 60? 
17 feet 9 inches 
18 feet 3 inches 
18 feet 9 inches 
21 feet 3 inches 
314 
C 
A semisubmersible displacing 17,600 long tons has an LCG 3.2 feet forward of amidships. Bulk, weighing 400 long tons, is loaded into Ptanks located 50.8 feet aft of amidships. What is the new LCG? 
0.80 foot forward of amidships 
1.20 feet forward of amidships 
2.00 feet forward of amidships 
4.40 feet forward of amidships 
315 
D 
A semisubmersible displacing 18,000 long tons has an LCG 2 feet forward of amidships. Bulk, weighing 400 long tons, is discharged from Ptanks located 50.8 feet aft of amidships. What is the new LCG? 
0.8 foot forward of amidships 
1.20 feet forward of amidships 
3.11 feet forward of amidships 
3.20 feet forward of amidships 
316 
C 
A semisubmersible displacing 700,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs. 
8,929 long tons 
19,509 long tons 
20,000 long tons 
24,500 long tons 
317 
B 
A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 footlong tons. What is the change in KG if 500 long tons are placed aboard at a KG of 120 feet? 
1.22 feet upward 
1.71 feet upward 
1.75 feet upward 
2.93 feet upward 
318 
B 
A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 footlong tons. What is the new KG if 300 long tons are added at a VCG of 50 feet? 
49.2 feet 
50.0 feet 
50.8 feet 
57.5 feet 
319 
D 
A semisubmersible floating in sea water displaces 717,500 cubic feet. What is the displacement? 
11,211 long tons 
11,498 long tons 
19,977 long tons 
20,500 long tons 
320 
A 
A semisubmersible in transit is at a draft of 19 feet. The depth of the lower hulls is 21 feet. How much bunker fuel at 54.0 lbs/cu ft could be taken on and still provide one foot of freeboard if the TPI is 52.3? 
627.6 long tons 
648.0 long tons 
843.9 long tons 
255.2 long tons 
321 
D 
A semisubmersible is more likely to experience structural stresses during heavy weather when . 
operating at drilling draft 
deballasting to survival draft 
when at survival draft 
when at transit draft 
322 
A 
A semisubmersible records the following drafts: Port Forward 64'09"; Port Aft 68'09"; Starboard Forward 59'09"; Starboard Aft 63'09". What is the mean draft? 
64.25 feet 
64.40 feet 
64.75 feet 
64.90 feet 
323 
A 
A semisubmersible rig under tow should be ballasted down if. 
motion begins to be excessive 
water begins to break over the pontoons 
period of roll exceeds 12 seconds 
forward progress is halted by head wind 
324 
A 
A semisubmersible which flops between forward and aft angles of trim is likely to have. 
KML less than KGL 
an offcenter LCG 
LCG greater than LCB 
KML greater than KMT 
325 
D 
A semisubmersible which flops between forward and aft trim angles is likely to have. 
an offcenter TCG 
LCG greater than level vessel LCB 
KMT greater than KML 
KML less than KGL 
326 
B 
A semisubmersible which flops between port and starboard angles of list is likely to have. 
KMT greater than KML 
KMT less than KGT 
an offcenter LCG 
TCG greater than level vessel TCB 
327 
B 
A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have . 
a large TCG 
a negative GM 
excessive ballast 
insufficient deck load 
328 
A 
A semisubmersible with a displacement of 18,117.7 long tons and a KG of 52.0 feet discharges 200 long tons from a KG of 130 feet. To remain at draft, ballast is added at a height of 10 feet. What is the change in KG? 
1.32 feet downward 
1.32 feet upward 
0.87 foot downward 
0.87 foot upward 
329 
C 
A semisubmersible with a displacement of 20,000 long tons and a KG of 52 feet discharges 300 long tons of barite from Ptanks located 120 feet above the keel. What is the change in KG? 
0.79 foot downward 
1.00 foot downward 
1.04 feet downward 
1.83 feet downward 
330 
A 
A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. To maintain draft, ballast is discharged from a height of 20 feet. What is the change in KG? 
1.5 feet upward 
1.5 feet downward 
0.8 foot upward 
0.8 foot downward 
331 
D 
A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. What is the change in KG? 
1.32 feet downward 
1.32 feet upward 
0.89 foot downward 
0.89 foot upward 
332 
C 
A semisubmersible with a displacement of 20,000 tons and KG of 52 feet discharges 300 long tons of barite from Ptanks located 120 feet above the keel. Ballast added to maintain draft has a VCG of 20 feet. What is the change in KG? 
0.49 foot increase 
0.50 foot decrease 
1.50 feet decrease 
1.80 feet decrease 
333 
D 
A semisubmersible with a negative GM flops to an angle of. 
heel 
trim 
list 
loll 
334 
C 
A semisubmersible with a positive GM, and TCG located starboard of the centerline, inclines to an angle of. 
heel 
trim 
list 
loll 
335 
A 
A semisubmersible with a TPI of 11.25 long tons per inch discharges 270 long tons from amidships. What is the new mean draft if the original drafts were: Port Forward 69.5 feet; Port Aft 68.5 feet; Starboard Forward 71.5 feet; Starboard Aft 70.5 feet? 
68'0" 
69'10" 
70'2" 
72'0" 
336 
C 
A semisubmersible with displacement of 19,700 long tons and KG of 50.96 feet loads 300 long tons of barite into Ptanks located 120 feet above the keel. What is the change in KG? 
0.79 foot upward 
1.00 foot upward 
1.04 feet upward 
1.83 feet upward 
337 
B 
A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'09"; Port Aft 68'09"; Starboard Forward 59'09"; and Starboard Aft 63'09". What is the list? 
10 feet to port 
5 feet to port 
2.5 feet to port 
5 feet to starboard 
338 
B 
A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'09"; Port Aft 68' 09"; Starboard Forward 59'09"; and Starboard Aft 63'09". What is the trim? 
8 feet by the stern 
4 feet by the stern 
2 feet by the stern 
4 feet by the head 
339 
B 
A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'9"; Port Aft 68' 9"; Starboard Forward 59'9"; and Starboard Aft 63' 9". What is the true mean draft? 
64.25 feet 
64.45 feet 
64.75 feet 
64.90 feet 
340 
C 
A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'09"; Port Aft 78' 09"; Starboard Forward 69'09"; and Starboard Aft 73' 09". What is the trim? 
1.0 foot 
2.0 feet 
4.0 feet 
8.0 feet 
341 
C 
A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'09"; Port Aft 78' 09"; Starboard Forward 69'09"; and Starboard Aft 73' 09". What is the list? 
1.0 foot 
2.5 feet 
5.0 feet 
10.0 feet 
342 
B 
A semisubmersible, displacing 20,500 long tons, has vertical moments of 1,060,000 footlong tons. What is the change in KG if 500 long tons are discharged from a VCG of 120 feet? 
1.22 feet downward 
1.71 feet downward 
1.75 feet downward 
2.93 feet downward 
343 
C 
A semisubmersible, while floating level, displaces 18,000 long tons. Bulk, weighing 400 long tons, is placed in Ptanks located 80 feet to starboard of the centerline. What is the new TCG? 
0.02 foot starboard of centerline 
0.32 foot starboard of centerline 
1.74 feet starboard of centerline 
1.78 feet starboard of centerline 
344 
C 
A semisubmersible, while floating level, displaces 20,000 long tons. LCB is 3.0 feet forward of amidships. Bulk, weighing 300 long tons, is placed in Ptanks located 40 feet aft of amidships. What is the new LCG? 
3.64 feet forward of amidships 
2.45 feet forward of amidships 
2.36 feet forward of amidships 
0.55 foot forward of amidships 
345 
B 
A semisubmersible, while floating level, displaces 25,000 long tons. LCG is 2 feet forward of amidships. Bulk, weighing 300 long tons, is placed in Ptanks located 50 feet aft of amidships. What is the new LCG? 
1.43 feet forward of amidships 
1.38 feet forward of amidships 
0.62 foot forward of amidships 
0.57 foot forward of amidships 
346 
D 
A semisubmersible, with a TCG of 0.5 feet to port, displaces 20,000 long tons. Bulk, weighing 400 long tons, is discharged from Ptanks located 50 feet starboard of the centerline. What is the new TCG? 
1.03 feet starboard of centerline 
0.53 foot starboard of centerline 
0.53 foot port of centerline 
1.53 feet port of centerline 
347 
A 
A semisubmersible, with a TCG of 0.5 foot to port, displaces 20,000 long tons. Bulk, weighing 400 long tons, is loaded in Ptanks located 50 feet starboard to the centerline. What is the new TCG? 
0.49 foot starboard of centerline 
0.51 foot starboard of centerline 
0.99 foot starboard of centerline 
1.49 feet starboard of centerline 
350 
D 
A severe storm threatens the COASTAL DRILLER, and a decision is made to evacuate the unit. If practical, all nonessential personnel should be off the unit in advance of the storm's predicted arrival by . 
12 hours 
24 hours 
36 hours 
48 hours 
365 
A 
A simplified construction plan may be included in the MODU construction portfolio provided it adequately defines the. 
areas where special materials are used 
hazardous areas 
location of emergency repair equipment 
type and strength of materials used 
368 
A 
A slow and easy motion of a MODU in a seaway is an indication of a. 
small GM 
low center of gravity 
stiff vessel 
large GZ 
387 
C 
A survival craft being used to pick up a person who has fallen overboard from a MODU should approach the person. 
at a high rate of speed 
under oars 
against the wind 
with the wind 
392 
D 
A tank of a MODU with a volume of 2,000 cubic feet is pressed with sea water weighing 64 pounds per cubic foot. What is the weight, in kips, of the liquid? 
54 kips 
67 kips 
78 kips 
128 kips 
408 
C 
A tropical storm is building strength some distance from your MODU. Waves are coming from the east, with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated? 
To the north of you 
To the south of you 
To the east of you 
To the west of you 
483 
B 
A virtual rise in the center of gravity of a MODU may be caused by. 
filling a partially filled tank 
using fuel from a pressed fuel tank 
emptying a partially filled tank 
transferring pipe from the setback area to the pipe rack 
484 
B 
A virtual rise in the center of gravity of a MODU may be caused by. 
filling a partially filled tank 
using an on board crane to lift a freely swinging heavy object 
emptying a partially filled tank 
transferring pipe from the setback area to the pipe rack 
486 
D 
A weathertight door on a MODU must not allow water to penetrate into the unit in. 
50 knot winds 
70 knot winds 
100 knot winds 
any sea condition 
490 
C 
A welding procedure used for joining dissimilar metals used on a MODU would be recorded in the . 
welding plan 
ASTM specifications 
construction portfolio 
Coast Guard file 
491 
A 
A well kick while drilling from a MODU will cause . 
increased fluid level in the mud pits 
decreased fluid level in the mud pits 
increased cuttings on the shale shaker 
decreased cuttings on the shale shaker 
495 
C 
A written report of casualty to a MODU shall be made . 
within 12 hours of the casualty 
to the Commandant of the Coast Guard 
on Form CG 2692 
only if the damage exceeds $1,500 
502 
B 
Aboard a MODU, multiplying a load's weight by the distance of the load's center of gravity from the centerline results in the load's. 
LCG 
transverse moment 
righting moment 
inclining moment 
513 
A 
Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and. 
center column chain lockers 
backup drill water tank 
primary saltwater service tank 
forward and after column chain lockers 
514 
A 
Aboard the DEEP DRILLER, the drill water pump may be used to provide drill water to the deck and . 
supplement the bilge pumps 
provide saltwater service to the deck 
emergency fueloil recovery 
supplement the ballast pumps 
515 
C 
Aboard the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 26 and. 
41 
29 
28 
25 
528 
C 
According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life. 
only when it happens while underway 
to the next of kin 
to the nearest Marine Safety or Marine Inspection Office 
to the nearest coroner 
529 
C 
According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life. 
only when it happens while underway 
to the next of kin 
to the nearest OCMI 
to the nearest coroner 
561 
B 
According to the MODU regulations, the capacity of a liferaft is required to be marked. 
on the Muster List ("Station Bill") 
on a sign next to the liferaft 
on the Certificate of Inspection 
in the Operations Manual 
564 
B 
According to the regulations for mobile offshore drilling units, "industrial personnel" are considered to be all persons carried on the MODU for the sole purpose of carrying out the industrial business of the unit, except for. 
the operator's representative 
the crew required by the Certificate of Inspection 
the galley personnel 
the designated person in charge 
577 
C 
Adding the longitudinal free surface correction to the uncorrected height of the center of gravity of a MODU yields . 
FSCL 
KG 
KGL 
GML 
578 
C 
Adding the transverse free surface correction to the uncorrected height of the center of gravity of a MODU yields . 
FSCT 
KG 
KGT 
GMT 
592 
B 
After being launched from MODUs, totally enclosed survival craft which have been afloat over a long period require. 
frequent opening of hatches to permit entry of fresh air 
regular checks of bilge levels 
use of ear plugs to dampen engine noise 
frequent flushing of the water spray system with fresh water 
593 
A 
After conducting a boat drill on a mobile offshore drilling unit, what must the Master or person in charge enter in the in the logbook? 
Any inoperative equipment and the corrective action taken 
The name of the lifeboatman in charge of each lifeboat 
The location of the vessel at the time of the drill 
The time it took to lower the boat 
594 
A 
After conducting an abandonment drill, the Master or person in charge of a MODU shall log. 
the names of crew members who participated in the drill 
the length of time that each motor propelled lifeboat was operated in the drill 
the length of time the lifeboat was in the water 
the time it took to lower the boat 
617 
D 
After using a CO2 extinguisher on a MODU, it should be . 
put back in service if some CO2 remains 
hydrostatically tested 
retagged 
recharged 
626 
B 
All fire hoses on mobile offshore drilling units must be tested to a pressure of at least. 
100 psi 
110 psi 
120 psi 
130 psi 
634 
A 
All MODU personnel should be familiar with the survival craft's. 
boarding and operating procedures 
maintenance schedule 
navigational systems 
fuel consumption rates 
650 
B 
Although KG for a MODU in lightweight is relatively high, the vessel is stiff because. 
KM is small 
KM is high 
BL is small 
KB is large 
657 
B 
Among the possible causes of unexpected constant inclination of the floating COASTAL DRILLER is . 
consumption of on board liquids 
miscalculation of loads 
liquid transfer through open valves 
flooding due to hull damage 
658 
D 
Among the possible causes of unexpected rapid increasing inclination of the floating COASTAL DRILLER is. 
consumption of on board liquids 
miscalculation of loads 
external environmental forces 
flooding due to hull damage 
659 
D 
Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while in transit is. 
consumption of on board variables 
miscalculation of loads 
external environmental forces 
flooding due to lower hull damage 
660 
D 
Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while on location is. 
consumption of on board variables 
miscalculation of loads 
external environmental forces 
flooding due to column damage 
661 
B 
Among the valves on the DEEP DRILLER to open when using the SaltWater Service Pump to pump water into tank 10S is. 
48 
47 
37 
23 
662 
C 
Among the valves on the DEEP DRILLER which may be opened when using the SaltWater Service Pump to pump water into Tank 1P is. 
33 
36 
46 
48 
665 
C 
Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 10P to Tank 1S using #1 ballast pump, is valve. 
24 Port 
33 Port 
34 Port 
44 Port 
666 
A 
Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 1P to Tank 10S using #1 ballast pump, is valve. 
33 Starboard 
44 Starboard 
33 Port 
44 Port 
667 
C 
Among the valves to open when deballasting using tanks 1P and 10P of the DEEP DRILLER is . 
2 Port 
24 Port 
48 Port 
44 Port 
682 
B 
An elevated jackup weighs 14,000 kips. Its TCG is located 1.0 foot to starboard of the centerline. What would be the new TCG for the jackup if the drill floor, weighing 700 kips, is skidded 10 feet to port? 
9.00 feet port 
0.50 foot starboard 
0.50 foot port 
1.00 foot port 
683 
B 
An elevated jackup weighs 14,000 kips. The drill floor, weighing 700 kips, is skidded 10.0 feet to starboard. The change in TCG is. 
9.00 feet starboard 
0.50 foot starboard 
1.50 foot starboard 
1.00 foot starboard 
684 
C 
An elevated jackup weighs 14,000 kips. Its TCG is located 1.0 foot to port of the centerline. What would be the new TCG for the jackup if the drill floor, weighing 700 kips, is skidded 10 feet to starboard? 
9.00 feet starboard 
0.50 foot starboard 
0.50 foot port 
1.0 foot port 
685 
C 
An elevated jackup weighs 17,000 kips. Its center of gravity is located 110 feet aft of frame zero (AF0). What would be the new LCG if the cantilever (weight 900 kips) and drill floor (weight 800 kips) were skidded 70 feet aft? 
103.0 feet AF0 
113.4 feet AF0 
117.0 feet AF0 
180.0 feet AF0 
697 
A 
An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have . 
an offcenter TCG 
an LCG greater than level vessel LCB 
a negative GM 
excessive free surfaces 
712 
D 
An obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf, shall have a lens that is visible over an arc of . 
60° 
90° 
180° 
360° 
714 
A 
An offshore drilling unit is required to carry on board an operations manual approved by the. 
Coast Guard 
National Cargo Bureau 
Minerals Management Service 
builder 
715 
D 
An offshore drilling unit must be equipped with a first aid kit approved by the. 
Coast Guard 
American Bureau of Shipping 
Minerals Management Service 
Mine Safety and Health Administration 
716 
D 
An offshore drilling unit must have enough inflatable liferafts to accommodate at least what percentage of the persons allowed? 
20% 
30% 
50% 
100% 
728 
C 
Annual inspection of MODU cranes shall be conducted by. 
U.S. Coast Guard 
the person in charge 
a qualified inspector 
the crane operator 
732 
A 
Any firefighting equipment that is carried in addition to the minimum required number on a MODU must . 
meet the applicable standards 
be marked as additional equipment 
be stowed in a separate area 
All of the above 
734 
C 
Apparent wind speed blowing across a MODU under tow can be measured by a(n). 
barometer 
wind vane 
anemometer 
thermometer 
775 
B 
At the instant when a string of casing being run from a MODU is landed in the well head,. 
the total weight in air of the casing string is removed from the MODU 
the hook load (weight of the casing string) is removed from the MODU 
the weight of the casing inside the riser is removed from the MODU 
the weight of the casing string added to the weight of the fillup mud is removed from the MODU 
776 
B 
At the required fire drill conducted aboard a MODU, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them. 
by the toolpusher 
in the Muster List ("Station Bill") 
by the person conducting the drill 
at the previous safety meeting 
786 
C 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in longitudinal free surface moments? 
1492 ftkips increase 
1034 ftkips increase 
674 ftkips increase 
404 ftkips increase 
787 
A 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse free surface moments? 
1492 ftkips 
674 ftkips 
404 ftkips 
270 ftkips 
788 
C 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse free surface moments? 
47.2 kips tank #7 to tank #6 
23.6 kips tank #7 to tank #6 
23.6 kips tank #6 to tank #7 
47.2 kips tank #6 to tank #7 
789 
D 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse moments with this transfer? 
56 ftkips 
979 ftkips 
1035 ftkips 
2010 ftkips 
790 
C 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in vertical moments with this transfer? 
81 ftkips increase 
31 ftkips increase 
26 ftkips decrease 
47 ftkips decrease 
791 
A 
Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #20. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in longitudinal moments with this transfer? 
565 ftkips 
900 ftkips 
2603 ftkips 
3168 ftkips 
796 
B 
Before deballasting to survival draft in the event of predicted heavy weather, the DEEP DRILLER Operations Manual recommends that the mooring lines be slacked. 
10 feet 
20 feet 
30 feet 
40 feet 
812 
A 
Between the side frames on a MODU, support for the deck beams is provided by. 
stanchions 
brackets 
web frames 
deck stringers 
832 
C 
Bulkheads which form part of the tanks on a MODU are stiffened to withstand. 
deck loads from above 
dynamic forces while afloat 
hydrostatic pressure 
overpressurization 
833 
A 
Buoyancy associated with empty or partly empty ballast tanks in the mat of a mat supported jackup MODU during jacking operations can cause . 
capsizing 
delays 
progressive flooding 
negative buoyancy 
858 
C 
Cartridgeoperated dry chemical extinguishers used on MODU's should have the propellant cartridge weighed every. 
3 months 
6 months 
12 months 
2 years 
863 
B 
Certificates of Inspection for offshore drilling units are issued for a period of. 
12 months 
24 months 
36 months 
48 months 
884 
A 
Compared to internal structural plating, the exterior hull plating on a MODU is usually. 
stronger 
thinner 
more corrosion resistant 
a lower grade steel 
886 
C 
Compliance with the terms of the load line certificate on a MODU is the responsibility of the. 
Ballast Control Operator 
Barge Supervisor 
Master or Offshore Installation Manager 
operators representative 
889 
C 
Considering the changes to lightweight shown in section 5 of the COASTAL DRILLER Manual, the maximum allowable combination of hook, rotary, and setback load for the COASTAL DRILLER with the rotary located 34 feet aft of the transom and two feet to port of the centerline is. 
1000 kips 
875 kips 
854 kips 
755 kips 
890 
D 
Considering the changes to lightweight shown in Section 5 of the COASTAL DRILLER Manual, with the rotary 36 feet aft of the transom and 4 feet to port of the centerline, and with 300 kips in the setback, the maximum hook load is limited to. 
870 kips 
635 kips 
335 kips 
314 kips 
892 
B 
Control of fire on a MODU should be addressed . 
immediately after restoring vital services 
immediately 
following control of flooding 
following establishment of fire boundaries 
894 
B 
Control of flooding on a MODU should be addressed . 
first 
following control of fire 
following restoration of vital services 
only if a threat exists 
899 
A 
Curve A in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during severe storm conditions during transit based on. 
stability and leg strength 
variable load 
environmental load 
load line 
900 
A 
Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on . 
leg strength 
variable load 
environmental load 
load line 
903 
C 
Damage stability of a MODU is the stability . 
which exists when the wind speed is less than 50 knots 
before collision 
after flooding 
at survival draft 
905 
C 
Deck beams on a MODU are generally spaced at equal intervals and run. 
longitudinally 
vertically 
transversely 
intermittently 
915 
C 
Diesel powered industrial trucks on a MODU that are provided with safeguards to the exhaust, fuel, and electrical systems are designated. 
DEFE 
DE 
DS 
DES 
919 
B 
Drilling loads on the COASTAL DRILLER are the combined loads arising from conductor tension, rotary, hook, and. 
fixed loads 
setback loads 
basic loads 
variable loads 
925 
A 
Due to the hazards involved with Halon extinguishers on a MODU, the size II extinguisher may only be used . 
outside 
on class C fires 
in an emergency 
on class B fires 
927 
A 
During a fire drill on a MODU, what action is required? 
Start each fire pump 
Launch and run a lifeboat 
Inventory rescue and fire equipment 
Inspect fire hoses 
928 
C 
During a long ocean tow of a jackup the clearance in the upper guide should be reduced to zero to restrain the leg and eliminate the impact loads from dynamic responses. This is best done by. 
lowering the spud cans below the hull 
raising the spud cans into hull recesses 
tapering the upper guides and building up the teeth 
remove certain lengths of leg 
929 
D 
During a move to a new location, a jackup drilling unit with personnel on board is towed through a heavy rainstorm. What signal must be sounded by the drilling rig when visibility is restricted? 
One prolonged blast 
Two prolonged blasts 
One prolonged and two short blasts 
One prolonged and three short blasts 
930 
C 
During a severe storm while the COASTAL DRILLER is elevated, on board loads must be shifted so that the TCG is on the centerline and the LCG is . 
40.00 feet AF0 
68.33 feet AF0 
119.44 feet AF0 
160.33 feet AF0 
933 
A 
During a storm, the mooring line on a MODU should be long enough so that the angle between the anchor shank and the ocean floor is. 
0° 
30° 
60° 
90° 
938 
A 
During an ice storm on board the DEEP DRILLER, the rig is uniformly covered with 414 tons of ice. At the beginning of the storm the rig was at 45 foot draft. After the storm the rig was at a 48 foot draft. Assume a KG of 127 feet for the new ice and an original KG of 58 feet. What is the new KG of the DEEP DRILLER? 
59.74 feet 
60.34 feet 
61.19 feet 
61.27 feet 
939 
D 
During an ocean tow when the winds are less than 70 knots, the maximum allowable KG for the COASTAL DRILLER is. 
38.75 feet 
42.00 feet 
44.00 feet 
65.00 feet 
942 
C 
During counterflooding to correct a severe list or trim aggravated by an offcenter load, a MODU suddenly takes a list or trim to the opposite side. You should . 
continue counterflooding in the same direction 
continue counterflooding, but in the opposite direction 
immediately stop counterflooding 
deballast from the low side 
944 
A 
During jacking operations and transit, empty void spaces in the hull of a jack up MODU provide . 
buoyancy 
extra storage space 
additional tank capacity 
reduced stability 
950 
C 
During storm conditions on a MODU, the mooring tensions should be adjusted so that. 
all mooring lines have a different tension 
the leeward lines have higher tension than the windward lines 
the maximum tension of the most heavily loaded line does not exceed the safe working load 
all horizontal tension forces on the windward lines are no greater than the vertical tension forces 
952 
B 
During the passage of a severe storm the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft is . 
998,942 fttons 
996,522 fttons 
990,430 fttons 
889,555 fttons 
954 
C 
During the required periodic abandon ship drill aboard a MODU, each person not assigned duties in the muster list is. 
instructed in the use of portable fire extinguishers 
shown a video demonstrating lifeboat launching 
instructed in the use of life jackets 
not required to attend the boat drill 
959 
A 
Each buoyant work vest on a MODU must be . 
Coast Guard approved 
marked with the name of the unit 
equipped with a water light 
All of the above 
965 
A 
Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the. 
landing area and sources of vapor ignition 
main deck 
engine room 
drill floor 
966 
B 
Each emergency generator on a mobile offshore drilling unit, when tested, must be run under a full load for at least. 
one hour 
two hours 
ten hours 
four hours 
968 
A 
Each emergency light on a MODU must be marked with . 
the letter "E" 
an arrow pointing to the nearest exit 
a nosmoking symbol 
the word "DANGER" 
970 
C 
Each EPIRB required on a MODU shall be stowed in a manner which will permit. 
easy access to its storage compartment 
replacement of the battery without exposure to the weather 
it to float free if the unit sinks 
it to remain attached to the unit 
971 
C 
Each EPIRB required on a MODU shall be tested using the integrated test circuit and output indicator every . 
week 
two weeks 
month 
two months 
974 
B 
Each fire hose coupling on a MODU must have threads that meet the specifications of the . 
American Petroleum Institute 
National Standard Fire hose Coupling 
American Society of Mechanical Engineers 
Underwriter's Laboratories, Inc. 
977 
A 
Each fire pump on a MODU must have a pressure gauge located at. 
the pump discharge 
the manifold connection 
each fire station discharge 
the pump station 
979 
C 
Each fireman's outfit and its spare equipment on a MODU must be stowed. 
in a locked cabinet in the machinery space 
in an unlocked cabinet in the machinery space 
in a separate and accessible location 
at a fire hydrant location 
982 
D 
Each hand portable fire extinguisher on a MODU must be marked with. 
the name of the unit on which it is located 
the date that it was installed on the unit 
the names of the individuals qualified to use it 
an identification number different from other extinguishers on the unit 
983 
C 
Each hand portable, semiportable and fixed fire extinguishing unit on a MODU must be tested and inspected at least once every. 
six weeks 
six months 
twelve months 
two years 
995 
A 
Each person on a MODU carrying immersion suits must wear the immersion suit in a boat drill, or participate in a drill which includes donning the suit and being instructed in its use at least once every . 
month 
2 months 
3 months 
6 months 
1001 
B 
Each ventilation system for an enclosed classified location on a MODU must provide a complete change of air every. 
3 minutes 
5 minutes 
7 minutes 
10 minutes 
1017 
C 
Except as provided by approved special examinations, each offshore drilling unit must be dry docked at least once during every. 
12 month period 
18 month period 
24 month period 
36 month period 
1020 
B 
Explosive and flammable gasses are most likely to be encountered on a MODU. 
at any location 
on the drill floor and liquid mud handling areas 
in bulk storage tanks 
in machinery spaces 
1030 
C 
Fire axes required on MODU's must be stored in the enclosure for fire hoses with the location marked " ". 
Fire Axe Location 
Hose Station No. 
Fire Station No. 
Firefighting Equipment 
1035 
B 
Fire extinguishers used on MODU's are numbered by size I through V, with I being. 
used for electrical fires only 
the smallest 
the most accessible 
the most effective 
1055 
C 
Fires on a MODU must be reported to the Coast Guard if there is death, injury resulting in more than 72 hours incapacitation, or property damage in excess of. 
$ 5,000 
$10,000 
$25,000 
$50,000 
1072 
D 
For a floating MODU, the center of buoyancy and the metacenter are in the line of action of the buoyant force . 
only when there is positive stability 
only when there is negative stability 
only when there is neutral stability 
at all times 
1073 
A 
For a floating MODU, the center of flotation is the point in the waterplane. 
about which the MODU lists and trims 
which coincides with the center of buoyancy 
which, in the absence of external forces, is always vertically aligned with the center of gravity 
which is shown in the hydrostatic tables as VCB 
1074 
B 
For a floating MODU, true mean draft is always the . 
average of the observed drafts 
draft at the center of flotation 
draft corresponding to the calculated displacement 
mean of the calculated drafts 
1077 
A 
For a jackup, the angle of maximum stability corresponds approximately to the angle of . 
deck edge immersion 
the load line 
downflooding 
loll 
1078 
C 
For a MODU not on an international voyage, an approved substitute for an impulse projected rocket type line throwing appliance is a. 
spring loaded line thrower 
hand thrown buoyant line 
shouldertype line throwing gun 
heaving line 
1079 
C 
For a MODU with list, a decrease in GMT will cause the angle of inclination to. 
stabilize at an angle of loll 
decrease 
increase 
remain constant 
1080 
B 
For a MODU with list, an increase in GMT will cause the inclination to. 
stabilize at an angle of loll 
decrease 
increase 
remain constant 
1081 
D 
For a MODU with longitudinal inclination, an increase in GML causes. 
list to stabilize at an angle of loll 
trim to stabilize at an angle of loll 
trim to increase 
trim to decrease 
1082 
B 
For a MODU with transverse inclination, an increase in GMT causes. 
list to stabilize at an angle of loll 
list to decrease 
trim to decrease 
list to increase 
1083 
A 
For a MODU with trim, a decrease in GMT will cause the angle of inclination to. 
increase 
decrease 
remain constant 
stabilize at an angle of loll 
1084 
B 
For a MODU with trim, an increase in GMT will cause the inclination to. 
stabilize at an angle of loll 
decrease 
increase 
remain constant 
1085 
B 
For a semisubmersible moored in heavy weather conditions, the leeward lines should be paid out, and the windward lines adjusted so that. 
the unit remains as close to the hole as possible 
several weather lines carry about the same tension 
at least 1,000 feet of chain lie along the bottom 
the vertical component of chain tension at the lower fairlead is not excessive 
1086 
B 
For a semisubmersible moored in heavy weather conditions, the weather lines should be adjusted so that several lines carry about the same tension, and the leeward lines are. 
tensioned to reduce weather mooring line tensions 
paid out to reduce weather mooring line tensions 
adjusted so that at least 1,000 feet of chain lie along the bottom 
adjusted so that the vertical component of chain tension at the lower fairlead is not excessive 
1096 
B 
For means of abandonment of a MODU, which type of embarkation does not require prior approval by the Coast Guard? 
Movable ladders 
Fixed ladders 
Safety booms 
Elevators 
1097 
C 
For MODU's operating under the U.S. flag, the construction portfolio must contain. 
detailed construction plans 
chemical and physical properties of ABS approved steels 
approved welding procedures and welding test procedures 
loading conditions and limitations 
1098 
B 
For most MODU engines, the fuel is. 
natural gas 
diesel oil 
propane 
bunker fuel 
1105 
C 
For the COASTAL DRILLER, what is the maximum rotary load that can be used when the rotary has been extended 40 feet aft of the transom? 
750 kips 
630 kips 
609 kips 
531 kips 
1106 
C 
For the DEEP DRILLER, in deballasting to survival draft when threatened with heavy weather from 100 knot winds, a load form should be calculated to determine that. 
the maximum allowable KG is exceeded 
KG corrected for free surface effects does not exceed 62.24 feet 
KG corrected for free surface effects does not exceed 62.09 feet 
GM remains the same 
1107 
C 
For the DEEP DRILLER, it is recommended that the number of lowerhull ballast tanks with free surfaces be less than. 
2 
4 
6 
8 
1108 
B 
For the DEEP DRILLER, the maximum permissible offset which can be tolerated while drilling is . 
10% of water depth 
6% of water depth 
4% of water depth 
2% of water depth 
1109 
D 
For the DEEP DRILLER, what are the longitudinal moments for a sounding of 15 feet in tank C3P? 
1,055 foottons 
7,772 foottons 
21,391 foottons 
25,669 foottons 
1110 
C 
For the DEEP DRILLER, what are the transverse moments for a sounding of 5 feet in tank C3P? 
1,005 foottons 
2,139 foottons 
7,130 foottons 
10,797 foottons 
1111 
B 
For the DEEP DRILLER, What are the vertical moments for a sounding of 10 feet in tank C3P? 
1,055 foottons 
4,754 foottons 
14,621 foottons 
17,113 foottons 
1114 
A 
For the purposes of the International Rules of the Road, a jackup drilling rig under tow is considered to be a . 
vessel 
nondisplacement vessel 
powerdriven vessel 
limited vessel 
1115 
D 
For the purposes of the International Rules of the Road, a nonselfpropelled mobile offshore drilling unit under tow is considered to be a. 
nondisplacement vessel 
limited vessel 
powerdriven vessel 
vessel 
1116 
D 
For the purposes of the International Rules of the Road, a nonselfpropelled, semisubmersible drilling unit under tow is considered to be a. 
powerdriven vessel 
limited vessel 
nondisplacement vessel 
vessel 
1117 
C 
For use as protection from gas leaking from a refrigeration unit, each MODU must be equipped with a . 
portable ventilation system 
flame safety lamp 
selfcontained breathing apparatus 
gas mask 
1119 
A 
The Oil Record Book for all fixed or floating drilling rigs is the property of the. 
U.S. government 
state in whose water the drilling rig is located 
drilling rig's owner 
company leasing the drilling rig 
1120 
A 
Forces within a drilling unit have caused a difference between the starboard and port drafts. This difference is. 
list 
heel 
trim 
flotation 
1156 
B 
Guide tolerances during elevation of the jackup rig will . 
reduce spud can bearing pressure 
keep the unit level and reduce overloading 
reduce stresses on the hull 
minimize the potential for punchthrough 
1166 
B 
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible MODU increase the unit's. 
tank capacities 
stability in the event of damage 
towing speed 
anchor holding ratio 
1189 
D 
How long must the records of tests and inspections of fire fighting equipment on board a MODU be retained on board? 
6 months 
1 year 
3 years 
Until the next inspection for certification 
1190 
D 
How long shall the Master or person in charge of a MODU maintaining an unofficial logbook retain this logbook on board? 
6 months 
1 year 
5 years 
Until the next inspection for certification 
1192 
D 
How many adult life jackets are required on board a MODU? 
Enough for 100 percent of the persons allowed on board 
One for each work station and industrial work site 
Enough for 150 percent of the persons allowed on board 
Both A & B above 
1209 
B 
How many fireman's outfits are required on a MODU? 
1 
2 
3 
4 
1210 
B 
How many independent bilge systems is the COASTAL DRILLER equipped with? 
1 
2 
3 
4 
1215 
B 
How many people on board a MODU must be trained in the use of the fireman's outfit? 
1 
2 
3 
4 
1224 
B 
How much additional solid weight could be loaded at a VCG of 189.7 feet on the DEEP DRILLER while loaded as shown in the Sample Load Form #4 (Drilling)? Assume ballast added or discharged to maintain draft is done so at 15 feet above the baseline. 
279.2 long tons 
314.2 long tons 
404.2 long tons 
461.9 long tons 
1225 
D 
How much drill water is required for transfer between drill water tanks #25 and #26 in order to correct the list of the COASTAL DRILLER with total transverse moments of 6,800 ftkips? 
200 kips from tank #26 to tank #25 
200 kips from tank #25 to tank #26 
100 kips from tank #26 to tank #25 
100 kips from tank #25 to tank #26 
1226 
B 
How much drill water should be transferred from tanks #23 and #24 to tank #1 to level the COASTAL DRILLER, in transit at a draft of 10 feet 6 inches, if the total longitudinal moments are 1,700,000 ftkips? 
438 kips 
451 kips 
521 kips 
537 kips 
1228 
D 
How must each storage tank for helicopter fuel on a MODU be marked? 
DANGER  KEEP AWAY 
DANGER  EXPLOSIVE VAPORS 
DANGER  NO SMOKING 
DANGER  FLAMMABLE LIQUID 
1229 
C 
How often are fire hoses required to be tested on a mobile offshore drilling unit? 
Once a week 
Once a month 
Once a year 
During each drill 
1231 
D 
How often is a drill on the use of the line throwing appliance required to be held on a mobile offshore drilling unit? 
Once a month 
Once a year 
Once a week 
Once every three months 
1233 
D 
How often must a rated load test be performed on a crane on a MODU? 
Every 12 months 
Every 24 months 
Every 36 months 
Every 48 months 
1235 
C 
How often must the emergency generator be tested on a mobile offshore drilling unit? 
Once each day 
Once each week 
Once each month 
Once each year 
1264 
B 
How wide must the safety net be that is required on the unprotected perimeter of the helicopter landing deck on a MODU? 
1.0 meter 
1.5 meters 
2.0 meters 
2.5 meters 
1271 
B 
If a davitlaunched liferaft aboard a MODU cannot be launched because of damage to the davit, you should . 
inflate the liferaft on deck 
roll the liferaft over the side 
go to another liferaft station 
get a saw and cut the liferaft free 
1273 
C 
If a drill required by regulations is not completed on a mobile offshore drilling unit, the Master or person in charge must. 
report this immediately to the OCMI 
report this immediately to the Commandant of the Coast Guard 
log the reason for not completing the drill 
conduct two of the required drills at the next opportunity 
1275 
D 
If a fixed foam firefighting system on a MODU is not of the premix type, a sample of the foam liquid must be tested by. 
a Coast Guard inspection officer 
the safety man aboard the unit 
the designated person in charge of the unit 
the manufacturer or his authorized representative 
1281 
B 
If a mobile offshore drilling rig has four hand portable fire extinguishers that can be recharged by personnel on the unit, how many spare charges must be carried? 
1 
2 
3 
4 
1282 
A 
If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST. 
determine the cause before taking countermeasures 
assume the shift is due to offcenter loading 
counterflood on the side opposite the list or trim 
assume the cause is environmental forces 
1283 
D 
If a MODU under tow starts jumping on its tow line, the most appropriate action to alleviate the condition is to . 
change course 
slow down 
heave to 
adjust tow line length 
1288 
C 
If a severe storm threatens the COASTAL DRILLER while elevated as shown in the Sample Load Form #3 (Drilling), the variable loads would have to be reduced by . 
3,282.5 kips 
2,381.0 kips 
1,000.0 kips 
901.5 kips 
1289 
A 
If a severe storm threatens the COASTAL DRILLER while elevated, the setback in the derrick should be lowered and placed in the pipe rack. Its weight should be accounted for as. 
variable loads 
drilling loads 
environmental loads 
fixed weight 
1305 
A 
If H2S exposure is anticipated, fixed monitoring devices aboard a MODU should have a low level concentration alarm to alert personnel when H2S concentrations first reach a maximum of . 
10 PPM 
20 PPM 
30 PPM 
40 PPM 
1309 
D 
If help has not arrived in 1012 hours after you abandon a MODU in a survival craft, you should . 
go in one direction until the fuel runs out 
plot a course for the nearest land 
take a vote on which direction you should go 
shut down the engine(s) and set the sea anchor 
1315 
C 
If not attached to the nozzle, each lowvelocity spray applicator on a MODU must be stowed. 
in a protected area on the main deck 
inside a machinery space near the entrance 
next to the fire hydrant to which the fire hose is attached 
on a rack inside the quarters near the entrance 
1322 
C 
If the charted water depth is 200 feet, the limits of service for the COASTAL DRILLER require an air gap of . 
35 feet 
32 feet 
30 feet 
25 feet 
1324 
A 
If the DEEP DRILLER is damaged, the unit is designed to avoid downflooding in wind speeds up to . 
50 knots 
70 knots 
90 knots 
100 knots 
1329 
A 
If the low side bilge pump fails and the high side bilge pump has insufficient suction to dewater the low side of the COASTAL DRILLER when afloat, you should use the. 
saltwater eductor system 
raw water tower pumps 
mud pumps 
preload pumps 
1330 
C 
If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot? 
250.0 pounds per square foot 
312.5 pounds per square foot 
350.0 pounds per square foot 
400.0 pounds per square foot 
1332 
C 
If the metacentric height is large, a floating MODU will . 
be tender 
have a slow and easy motion 
be stiff 
have a tendency to yaw 
1334 
A 
If the metacentric height is small, a floating MODU will . 
be tender 
have a quick and rapid motion 
be stiff 
yaw 
1339 
D 
If the result of loading a MODU is an increase in the height of the center of gravity, there will always be an increase in the. 
metacentric height 
righting arm 
righting moment 
vertical moments 
1345 
B 
If there are a number of survivors in the water after abandoning a MODU, they should. 
tie themselves to the unit so they won't drift with the current 
form a small circular group to create a warmer pocket of water in the center of the circle 
send the strongest swimmer to shore for assistance 
form a raft by lashing their life preservers together 
1352 
C 
If uniformly distributed in the cantilever pipe rack of the COASTAL DRILLER, how much pipe can be placed in the cantilever pipe rack area when the cantilever has been extended 40 feet aft of the transom? 
630 kips 
609 kips 
500 kips 
479 kips 
1373 
D 
If you have to jump in the water when abandoning a MODU, your legs should be. 
spread apart as far as possible 
held as tightly against your chest as possible 
in a kneeling position 
extended straight down and crossed at the ankles 
1380 
A 
If you must jump from a MODU, your posture should include. 
holding down the life preserver against the chest with one arm crossing the other, covering the mouth and nose with a hand, and feet together 
knees bent and held close to the body with both arms around legs 
body straight and arms held tightly at the sides for feet first entry into the water 
both hands holding the life preserver below the chin, with knees bent, and legs crossed 
1385 
C 
If you observe any situation which presents a safety or pollution hazard during fuel transfer operations on a MODU, what action should you take FIRST? 
Wait for the person in charge to act. 
Notify the ballast control operator. 
Shut down the transfer operation. 
Sound the fire alarm. 
1394 
B 
If you see someone fall overboard from a MODU, you should. 
immediately jump in the water to help the individual 
call for help and keep the individual in sight 
run to the radio room to send an emergency message 
go to the control room for the distress flares 
1399 
B 
If you wear extra clothing when entering the water after abandoning a MODU it will. 
weigh you down 
preserve body heat 
reduce your body heat 
make it more difficult to breathe 
1431 
D 
In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for . 
equipment storage 
machinery 
elevators 
reserve buoyancy 
1432 
D 
In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as . 
hook loads 
setback loads 
rotary loads 
variable loads 
1433 
A 
In a storm, the leeward lines of a MODU's mooring system will. 
pull the unit in the same direction that the weather is pushing it 
pull the unit in the opposite direction that the weather is pushing it 
tend to keep the unit on its original location over the well head 
affect the unit's draft and inclination as maximum mooring tensions are reached 
1434 
D 
In a storm, the windward lines of a MODU's mooring system provide. 
a positive righting moment 
an increase in KM 
a negative restoring force 
a positive restoring force 
1446 
C 
In an emergency, the jacking system on the COASTAL DRILLER is capable of elevating the unit with a loading of. 
14,158 kips 
14,400 kips 
17,280 kips 
21,297 kips 
1449 
A 
In anticipation of heavy weather, it is decided to deballast the DEEP DRILLER to survival draft. The marine riser should be disconnected, pulled, and laid down. After doing so, the riser tension will be . 
zero 
equal to the weight of the riser 
dependent on the water depth 
applied at the riser tensioner sheaves 
1454 
B 
In case of damage to the DEEP DRILLER on location, the immediate objective is to reduce the unexpected inclination and return the unit to . 
nearest sheltered port 
near its original draft 
drilling 
survival draft 
1455 
B 
In case of major damage to column C1P while the DEEP DRILLER is on location, you should pump from portforward lowerhull tanks using. 
all four ballast pumps 
both portside ballast pumps 
saltwater service pump to supplement port side ballast pumps 
drill water pump to supplement portside ballast pumps 
1456 
B 
In case of minor damage to lowerhull tank 1P while the DEEP DRILLER is in transit, you should pump from tank 1P using. 
all four ballast pumps 
both portside ballast pumps 
saltwater service pump to supplement port side ballast pumps 
drill water pump to supplement portside ballast pumps 
1464 
A 
In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when . 
there is burning oil on the water 
there is a rescue craft in the area 
water temperature is below 40°F 
a rigid survival craft is in the area 
1465 
B 
In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when . 
there is a rescue craft in the area 
there is hydrogen sulfide present 
water temperature is below 40°F 
a rigid survival craft is in the area 
1466 
C 
In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when . 
there is a rescue craft in the area 
water temperature is below 40°F 
there is a severe list to the windward side of the MODU 
a rigid survival craft is in the area 
1472 
B 
In how many locations must lifeboats be installed on a mobile offshore drilling unit? 
1 
2 
3 
4 
1473 
C 
In how many locations must lifeboats be installed on a mobile offshore drilling unit? 
4 
3 
2 
1 
1483 
A 
In MODU construction, a greater number of watertight bulkheads results in. 
increased capacity to set flooding boundaries 
decreased capacity to set flooding boundaries 
reduced compartmentation 
greater deck load capacity 
1484 
B 
In MODU construction, beam brackets are triangular plates that join the deck beam to a. 
bulkhead 
frame 
stanchion 
deck longitudinal 
1485 
C 
In MODU construction, beams are transverse girders which provide support to. 
bulkheads 
deckhouse structures 
decks 
vertical frames 
1486 
C 
In MODU construction, bulkheads in the quarters are generally. 
structural 
watertight 
nonstructural 
continuous 
1487 
C 
In MODU drilling operations, the term tripping means . 
releasing the tongs from the drill pipe 
welding hard metal to tool joints 
hoisting drill pipe out of and returning it to the wellbore 
sliding a joint of drill pipe down to the pipe rack ramp 
1488 
C 
In MODU operations, hoisting and lowering pipe in and out of the drilled hole is the main function of the . 
swivel 
cathead spool 
drawworks 
stand pipe 
1502 
B 
In order to withstand fluid head pressure on a MODU, stiffeners are often attached to the bulkhead . 
penetrations 
plating 
framing 
brackets 
1504 
B 
In plugging submerged holes on a MODU, rags, wedges, and other materials should be used in conjunction with plugs to. 
reduce the water pressure on the hull 
reduce the water leaking around the plugs 
prevent progressive flooding 
reduce the possibility of stress fractures 
1510 
D 
In selecting a tug for moving a MODU, consideration should be given to its. 
indicated horsepower, bollard pull, and displacement 
indicated horsepower, maneuverability, and displacement 
indicated horsepower, bollard pull, and maneuverability 
bollard pull, displacement, and maneuverability 
1516 
B 
In storm conditions in 600 feet of water, completely slacking the leeward mooring line of the DEEP DRILLER reduces the tension in that line to about . 
25 kips 
50 kips 
75 kips 
100 kips 
1517 
C 
In storm conditions, when slacking the leeward mooring lines of the DEEP DRILLER, maintain in the chain locker at least. 
500 feet 
350 feet 
200 feet 
100 feet 
1518 
B 
In storm conditions, when the DEEP DRILLER is in 600 feet water depth, and the highline tension (HLT) is 350 kips, completely slacking the two leeward mooring line tensions reduces the HLT to . 
375 kips 
275 kips 
245 kips 
220 kips 
1519 
C 
In storm conditions, when the environmental conditions are such that the DEEP DRILLER has disconnected the marine riser, the two leeward mooring lines should be. 
tightened 
slacked slightly 
completely slacked 
adjusted to give the same line tensions as the windward lines 
1520 
B 
In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 400 feet water depth, the tensions in mooring lines 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about . 
375 kips 
330 kips 
275 kips 
220 kips 
1521 
A 
In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the offset is 9%. Completely slacking mooring lines 5 and 6 reduces the offset to. 
6.5% 
5.0% 
2.5% 
0.0% 
1522 
B 
In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the tensions in mooring line 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about . 
375 kips 
330 kips 
275 kips 
220 kips 
1523 
C 
In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 400 feet water depth, the offset is 7%. Completely slacking mooring lines 7 and 8 reduces the offset to . 
6.5% 
5.0% 
4.0% 
2.5% 
1524 
B 
In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 600 feet water depth, the offset is 8%. Completely slacking mooring lines 7 and 8 reduces the offset to . 
6.5% 
5.0% 
2.5% 
0.0% 
1529 
B 
In the case of a casualty involving a MODU, the Master, owner, agent or person in charge shall make the records required by regulation available upon request to. 
anyone involved in the casualty 
any Coast Guard official authorized to investigate the casualty 
the local Captain of the Port 
All of the above 
1530 
A 
In the case of an injury causing a person to be incapacitated, the Master or person in charge of a mobile offshore drilling unit must submit a report to the . 
nearest Marine Safety or Marine Inspection Office 
nearest hospital 
Department of Energy 
American Bureau of Shipping 
1531 
D 
In the COASTAL DRILLER, LCG is obtained from the sum of the longitudinal moments by. 
adding the sum of the weights 
subtracting the sum of the weights 
multiplying by the sum of the weights 
dividing by the sum of the weights 
1532 
D 
In the COASTAL DRILLER, TCG is obtained from the sum of the transverse moments by. 
adding the sum of the weights 
subtracting the sum of the weights 
multiplying by the sum of the weights 
dividing by the sum of the weights 
1533 
D 
In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by. 
adding the sum of the weights 
subtracting the sum of the weights 
multiplying by the sum of the weights 
dividing by the sum of the weights 
1534 
D 
In the DEEP DRILLER, LCG is obtained from the sum of the longitudinal moments by. 
adding the free surface correction 
subtracting the free surface correction 
multiplying by displacement 
dividing by displacement 
1535 
D 
In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by. 
adding the free surface correction 
subtracting the free surface correction 
multiplying by displacement 
dividing by displacement 
1536 
D 
In the DEEP DRILLER, the longitudinal free surface correction (FSCL) is obtained from the total of the longitudinal free surface moments (FSML) by . 
adding the LCG 
subtracting the LCG 
multiplying by displacement 
dividing by displacement 
1537 
A 
In the DEEP DRILLER, the transverse and longitudinal free surface moments for entry into the daily load form are obtained. 
from tank tables 
by multiplying displacement by the free surface correction 
by dividing by displacement 
by dividing by the free surface correction 
1538 
D 
In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by . 
adding the TCG 
subtracting the TCG 
multiplying by displacement 
dividing by displacement 
1539 
D 
In the DEEP DRILLER, VCG is obtained from the sum of the vertical moments by. 
adding displacement 
subtracting displacement 
multiplying by displacement 
dividing by displacement 
1540 
D 
In the event of a casualty to a MODU, who is responsible to make records available to the Coast Guard official authorized to investigate the casualty? 
Officer in Charge, Marine Inspection 
The person who caused the casualty 
The company man 
The owner 
1542 
B 
In the event of damage to the DEEP DRILLER which results in flooding to one of the lowerhull tanks, pump from. 
nearby damaged tanks 
nearby undamaged tanks containing ballast 
tanks on the opposite corner 
the opposite trim tank 
1544 
B 
In the event the motion of the DEEP DRILLER is such that critical motion limits are exceeded, you should . 
place the unit at 65 foot draft 
place the unit at 45 foot draft 
shift loads to increase KG 
place the unit in standby 
1559 
A 
In the MODU construction portfolio, materials which do not conform to ASTM or ABS specifications must also include the. 
chemical and physical properties of the material 
name of the alternative standard or specification 
the ASTM or ABS specification the material approximates 
manufacturer or origin of the material 
1561 
C 
In the piping systems of a MODU, what type of valve gives the least resistance to fluid flow when fully open? 
Globe valve 
Butterfly valve 
Gate valve 
Packless valve 
1571 
A 
In towing it is desirable for the tug and the MODU to ride wave crests simultaneously because . 
shock loading on the tow line is reduced 
towing speed is improved 
the MODU is more visible from the tug 
the catenary of the tow line is reduced 
1572 
D 
In using the Allowable Wind and Wave Charts for the COASTAL DRILLER, leg penetration is assumed to be less than. 
55 feet 
45 feet 
35 feet 
25 feet 
1573 
C 
In using the Allowable Wind and Wave Charts for the COASTAL DRILLER, which of the three leg reactions is required? 
Minimum 
Average 
Highest 
Preloaded value 
1607 
A 
It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the beam, the total environmental force would be . 
620 kips 
595 kips 
475 kips 
425 kips 
1608 
B 
It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the environmental force due to the wind would be. 
595 kips 
475 kips 
425 kips 
300 kips 
1609 
B 
It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the total environmental force would be . 
620 kips 
595 kips 
475 kips 
425 kips 
1611 
B 
It is the responsibility of the Master or person in charge of a MODU to ensure that. 
the Muster List ("Station Bill") is posted in each compartment 
temporary personnel and visitors are advised of emergency stations 
names of crew members are listed on the Muster List ("Station Bill") 
no changes are made to the Muster List ("Station Bill") 
1615 
A 
Joiner bulkheads on a MODU provide. 
compartmentalization 
watertight integrity 
structural support 
tank boundaries 
1617 
B 
Keeping the draft of a MODU at or below the load line mark will insure that the unit has adequate . 
reserve ballast 
reserve buoyancy 
lightweight displacement 
critical motions 
1619 
B 
Knowing the compass heading that is 90° to the side of a MODU will enable the operator of a survival craft to initially steer. 
into the wind 
away in fire and smoke 
directly to the standby boat 
directly to the nearest land 
1622 
A 
Laying down drill pipe from the derrick of a semisubmersible on location reduces the . 
natural roll period 
metacentric height 
waterplane area 
righting moment 
1637 
C 
Lifeboat winches on a MODU are required to be inspected and an entry made in the logbook. What should this entry include? 
The time required to lower a lifeboat 
The time required to raise a lifeboat 
The date of inspection and condition of the winch 
All of the above 
1638 
A 
Lifeboat winches on mobile offshore drilling units are required to be inspected and an entry made in the logbook. How often should this entry be made? 
Every 3 months 
Every 6 months 
Every year 
Only after conducting a boat drill 
1642 
A 
Lighter longitudinal stiffening frames on the MODU side plating are called. 
stringers 
side frames 
side stiffeners 
intercostals 
1654 
B 
Load line regulations are designed to insure that a MODU has adequate structural strength and sufficient . 
lifesaving equipment 
stability 
mooring tension 
riser tension 
1655 
C 
Locations on a MODU where flammable hydrocarbon gas or vapors may accumulate due to drilling operations are defined as. 
gaseous locations 
hazardous locations 
classified locations 
designated locations 
1658 
C 
Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than . 
three feet 
four feet 
five feet 
six feet 
1666 
C 
Medical treatment aboard a MODU should not go beyond examination and emergency care without first consulting. 
the designated medic aboard 
the shore based superintendent 
a medical doctor 
the approved company medical manual 
1670 
C 
Mobile offshore drilling units not required to have an official logbook shall. 
maintain a logbook on Form CG706 
not be required to maintain a logbook 
maintain an unofficial logbook 
report only major events to the OCMI 
1696 
B 
Obstruction lights on mobile offshore drilling units on the waters of the U.S. Outer Continental Shelf must be displayed. 
at all times 
between sunset and sunrise 
whenever visibility is restricted 
whenever vessels approach within one half mile 
1698 
C 
Of the required ring life buoys for a MODU, how many must be equipped with a water light? 
1 
2 
4 
8 
1700 
A 
Offshore drilling units must have at least two ring buoys with water lights that, when released from the mounting rack, activate a. 
smoke signal 
steam whistle 
battery powered horn 
radio signal 
1701 
D 
Offshore drilling units that are on an international voyage must have a portable radio apparatus that meets the requirements of the. 
American Bureau of Shipping 
Minerals Management Service 
U.S. Coast Guard 
Federal Communications Commission 
1702 
C 
Offshore drilling units that carry twelve or more persons on a voyage of more than three days must have a. 
recreation room 
radar room 
hospital space 
navigation space 
1714 
D 
On a mobile offshore drilling unit it is required to . 
inspect the lifesaving gear provided in any helicopter landing on the rig 
check the Certificate of Inspection of any support vessel bringing hazardous materials to the rig 
insure that engineering spaces are in a clean and sanitary condition 
record the length of each abandonment drill in the rig's log book 
1715 
B 
On a MODU crane, the boom indicator tells the operator what the boom angle is compared to the . 
vertical position 
horizontal position 
boom stop angle 
minimum radius angle 
1716 
C 
On a MODU crane, the load chart relates the allowable load to the combination of boom length and . 
boom angle 
boom strength 
load radius 
cable strength 
1717 
D 
On a MODU with lifeboats stowed in two different locations, if all the lifeboats are lost in one location then the remaining lifeboats must accommodate what percentage of the persons permitted on board? 
50% 
75% 
90% 
100% 
1718 
A 
On a MODU, a cabinet or space containing the controls or valves for the fixed firefighting system must be. 
posted with instructions on the operation of the system 
ventilated and equipped with explosionproof switches 
painted with red and black diagonal stripes 
equipped with a battery powered source of emergency lighting 
1719 
B 
On a MODU, a CO2 extinguisher is checked by . 
reading the gage pressure 
weighing the extinguisher 
discharging a small amount of CO2 
seeing if the seal has been broken 
1720 
D 
On a MODU, a door that is required to be marked "KEEP CLOSED" is designed to. 
prevent the passage of flammable gases 
prevent the passage of poisonous vapors 
delay the spread of heat and flames 
maintain watertight integrity 
1721 
A 
On a MODU, a fire drill shall be conducted once every . 
week 
month 
crew change 
other week 
1722 
B 
On a MODU, a fire pump may be used for other purposes if. 
the other services are run off a reducing station with a pressure gage 
a separate fire pump is available for use on the fire main 
all other services are operated by a manifold near the pump 
All of the above 
1723 
A 
On a MODU, a fixed carbon dioxide or other approved system must be installed. 
where oil or chemical drums are stored 
in all battery storage locations 
in paint lockers 
in all of the above locations 
1724 
B 
On a MODU, an extinguisher with 15 lbs. of CO2 or 10 lbs. of dry chemical is a size. 
I 
II 
III 
IV 
1725 
B 
On a MODU, an obvious indicator of lost circulation of drilling fluid is. 
fluid level in the mud pits increases rapidly 
fluid level in the mud pits decreases rapidly 
increased cuttings on the shale shaker 
decreased cuttings on the shale shaker 
1726 
D 
On a MODU, CO2 extinguishers must be weighed . 
monthly 
quarterly 
semiannually 
annually 
1727 
B 
On a MODU, each emergency generator must be tested at least once each. 
week 
month 
three months 
six months 
1728 
C 
On a MODU, each EPIRB or SART must be tested at least once. 
each week 
every two weeks 
each month 
every two months 
1729 
C 
On a MODU, firefighting equipment must be inspected once every. 
three months 
six months 
twelve months 
eighteen months 
1730 
C 
On a MODU, hand portable extinguishers are size(s) . 
II only 
II and III 
I and II 
I only 
1731 
B 
On a MODU, how many ring buoys are required to have a buoyant line attached? 
One ring life buoy 
One ring life buoy on each side of the MODU 
Three ring life buoys 
Two ring life buoys on each side of the MODU 
1732 
C 
On a MODU, if there is a probability of encountering H2S during the drilling of a well, air movers (bug blowers) should be installed to dilute concentration of H2S at the. 
pipe rack 
crown block 
shale shaker 
All of the above 
1733 
C 
On a MODU, size I and II extinguishers are considered. 
fixed systems 
steam generated 
hand portable 
semiportable 
1734 
D 
On a MODU, size III, IV, and V extinguishers are considered. 
hand portable 
all purpose 
fixed extinguishers 
semiportable 
1735 
A 
On a MODU, the deck stringer is the outboard most deck . 
plating 
beam 
stiffener 
stanchion 
1736 
C 
On a MODU, the keel is the primary strength member of the lower hull form in which direction? 
transverse 
diagonal 
longitudinal 
vertical 
1737 
C 
On a MODU, the locker or space containing the self contained breathing apparatus must. 
be located in close proximity to the main control station 
be equipped with battery powered emergency lighting 
be marked "SELF CONTAINED BREATHING APPARATUS" 
All of the above 
1738 
B 
On a MODU, the possibility of a blowout makes which type of diesel engine shutdown desirable? 
Overspeed trip 
Air inlet shutoff valve 
Water injector 
Fuel cutoff valve 
1739 
B 
On a MODU, watertight doors should be operated . 
during abandon drill 
during fire drill 
weekly 
when the rig is being moved 
1740 
D 
On a MODU, when may a work vest be substituted for a required life preserver? 
To replace a damaged life preserver 
For use during fire drills 
For use during boat drills 
At no time 
1741 
A 
On a MODU, where Must the fire control plan be posted? 
Pilot house 
Mess Area 
Crew Lounge 
None of the above 
1742 
C 
On a MODU, where MUST the fire control plan be posted? 
Crew lounge 
Mess Area 
Control Center 
None of the above 
1747 
A 
On a selfelevating drilling unit, draft marks must be located. 
near each corner of the hull 
at frame O, port and starboard 
at bow and stern on the centerline 
on each leg 
1748 
C 
On a semisubmersible drilling unit, decreasing riser tension increases. 
free surface moments 
KM 
GM 
KG 
1749 
A 
On a semisubmersible drilling unit, decreasing riser tension reduces. 
KG 
KM 
GM 
free surface moments 
1750 
A 
On a semisubmersible drilling unit, increasing riser tension increases. 
KG 
GM 
KM 
free surface moments 
1751 
D 
On a semisubmersible drilling unit, increasing riser tension reduces. 
list 
KM 
KG 
GM 
1752 
C 
On a semisubmersible MODU, reserve buoyancy is increased by the presence of void spaces above the waterline in the. 
submerged hulls 
quarters 
columns and upper structure 
submerged connecting structures 
1785 
D 
On all mobile offshore drilling units, the deckhead of each accommodation space must be located above . 
the operating draft 
the survival draft 
the transit draft 
the deepest load line 
1788 
B 
On an offshore drilling rig, the pumps which circulate drilling fluid through the drill string while drilling are called the. 
circulation pumps 
mud pumps 
centrifugal pumps 
mixing pumps 
1791 
A 
On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is. 
wellconducted drills 
a dedicated crew 
good equipment 
good communication 
1809 
C 
On offshore drilling units all sleeping areas, mess areas, recreational and hospital areas that are adjacent to or immediately above a storage area or machinery space, paint locker, washroom, or toilet space must be made. 
watertight 
weathertight 
odorproof 
soundproof 
1810 
A 
On offshore drilling units each fire station is identified by letters and numbers at least. 
2 inches high 
3 inches high 
5 inches high 
8 inches high 
1811 
A 
On offshore drilling units each inflatable liferaft that is not intended for davit launching must be stowed so as to float free or be. 
equipped with a hydrostatic release 
stowed in approved racks 
located above the main deck area 
replaced every 12 months 
1812 
A 
On offshore drilling units each ring life buoy must be marked, in a contrasting color, with the unit's . 
name and port of registry 
owner and port of registry 
port of registry and identification number 
name and owner 
1813 
A 
On offshore drilling units fitted with CO2 systems, each space that contains a cylinder must be vented and designed to keep temperature in the space at not more than. 
130°F 
150°F 
180°F 
200°F 
1814 
B 
On offshore drilling units fitted with fixed CO2 systems, the system must discharge at least 85 percent of the required amount of CO2 within . 
1 minute 
2 minutes 
3 minutes 
4 minutes 
1815 
B 
On offshore drilling units fitted with fixed CO2 systems, the system must withstand a bursting pressure of at least. 
5,000 pounds per square inch 
6,000 pounds per square inch 
8,000 pounds per square inch 
10,000 pounds per square inch 
1816 
A 
On offshore drilling units when two means of escape are provided from a space above the main deck, one means of escape must be required for rapid escape to . 
a weather deck 
the main deck 
the control house 
the escape capsules 
1817 
A 
On offshore drilling units where foam systems are installed on the heliport, the system must be able to discharge continuously for at least. 
5 minutes 
6 minutes 
8 minutes 
10 minutes 
1818 
A 
On offshore drilling units where natural ventilation is provided, each porthole or window must be fitted with . 
screens 
portlights 
covers 
curtains 
1819 
A 
On offshore drilling units, boat drills must be conducted at least. 
monthly 
quarterly 
daily 
annually 
1820 
A 
On offshore drilling units, a fire drill must be conducted at least once a. 
week 
month 
quarter 
year 
1821 
A 
On offshore drilling units, all lifeboats are required to be marked with the. 
name and port of the unit 
owner and port of the unit 
drilling location 
builder 
1822 
B 
On offshore drilling units, all lifeboats are required to be marked with the. 
name of the owner of the unit 
number of persons allowed in the boat 
drilling location of the unit 
All of the above 
1823 
A 
On offshore drilling units, any reports of a casualty that are made are required to be retained on board for a period of at least. 
3 months 
6 months 
12 months 
24 months 
1824 
C 
On offshore drilling units, each EPIRB or SART must be tested once every. 
day 
week 
month 
year 
1825 
A 
On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal diameter of . 
11/2 or 21/2 inches 
2 or 3 inches 
21/2 or 31/2 inches 
3 or 4 inches 
1826 
B 
On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal length of . 
25 feet 
50 feet 
75 feet 
100 feet 
1827 
B 
On offshore drilling units, each fire station is required to be fitted with at least one spanner and at least one . 
fire axe 
hose rack 
sandbag 
scupper 
1828 
A 
On offshore drilling units, each handheld portable fire extinguisher, semiportable fire extinguisher, and fixed fire extinguisher must be tested and inspected at least once every. 
12 months 
24 months 
36 months 
48 months 
1829 
A 
On offshore drilling units, each inflatable liferaft must be serviced every. 
12 months 
24 months 
36 months 
48 months 
1830 
B 
On offshore drilling units, each storage battery for emergency lighting and power systems must be tested every six months under actual connected load for a period of at least. 
1 hour 
2 hours 
3 hours 
4 hours 
1831 
B 
On offshore drilling units, emergency lighting and each emergency power system must be tested at least once a. 
day 
week 
month 
year 
1832 
C 
On Offshore Drilling units, in addition to the life jackets stowed at each berth location, life jackets must be stowed at each work station and . 
the mess room 
each lifeboat 
each industrial work site 
each fire station 
1833 
A 
On offshore drilling units, notification shall be given to the Coast Guard of a casualty if a person is injured and unable to perform routine duties for. 
any amount of time 
more than 24 hours 
more than 36 hours 
more than 72 hours 
1834 
C 
On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than. 
two persons 
three persons 
four persons 
five persons 
1835 
C 
On offshore drilling units, the EPIRB on board is required to be tested. 
daily 
weekly 
monthly 
yearly 
1836 
B 
On offshore drilling units, the fire main system must have enough fire hydrants so that each accessible space may be sprayed with at least. 
one spray pattern 
two spray patterns 
three spray patterns 
four spray patterns 
1837 
B 
On offshore drilling units, the lifeboat motors shall be operated in the ahead and astern position at least once each. 
day 
week 
month 
year 
1838 
A 
On offshore drilling units, the lifeboats' fuel tanks must be emptied and the fuel changed at least once every . 
12 months 
24 months 
36 months 
48 months 
1839 
B 
On offshore drilling units, the lifeboats must be lowered to the water and maneuvered at least once every . 
2 months 
3 months 
6 months 
12 months 
1840 
A 
On offshore drilling units, the minimum number of inclined ladders which must be fitted between each weather deck is. 
1 
2 
3 
4 
1841 
B 
On offshore drilling units, the minimum number of persons required to be trained in the use of fireman's outfits is. 
1 
2 
3 
4 
1842 
B 
On offshore drilling units, the minimum required number of fireman's outfits which must be carried is . 
1 
2 
3 
4 
1843 
D 
On offshore drilling units, the Muster List ("Station Bill") must be posted in conspicuous locations and signed by the. 
company man 
driller 
owner 
Master or person in charge 
1844 
C 
On offshore drilling units, the number of industrial personnel permitted to be on board during drilling operations is found on the. 
Classification Certificate 
Safety of Life at Sea Certificate 
U.S. Coast Guard Certificate of Inspection 
Owner's Operation Manual 
1877 
B 
On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than . 
16° 
20° 
24° 
30° 
1878 
B 
On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than . 
14° 
20° 
26° 
32° 
1879 
C 
On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than . 
6° 
12° 
20° 
25° 
1886 
B 
On the COASTAL DRILLER, a noticeable increase in the level indicator while extracting the legs from the soil indicates. 
the legs are free 
one or two legs are stuck 
a punchthrough is occurring 
the legs are being extracted through a punchthrough soil layer 
1887 
D 
On the COASTAL DRILLER, except when pumping from a tank, the bilge system valves should be . 
cracked open 
in the checkstop position 
opened for draining 
closed 
1888 
D 
On the COASTAL DRILLER, hook load includes the weight of the. 
setback load 
rotary load 
conductor tension 
drill string 
1889 
D 
On the COASTAL DRILLER, in case one of the two bilge pits is flooded, the other can operate through a(n). 
sixinch line connected to the independent isolation valves to the sea chest 
separate bilge discharge manifold 
independent scavenger manifold 
crossover arrangement 
1890 
C 
On the COASTAL DRILLER, in case the bilge discharge is oily, the bilge water should be discharged through the. 
overboard discharge 
dump valves 
skimmer tank 
sump valves 
1891 
B 
On the COASTAL DRILLER, placing the rotary 34 feet aft of the transom and two feet to starboard of the centerline, limits the maximum hook load to . 
1000 kips 
875 kips 
750 kips 
450 kips 
1892 
A 
On the COASTAL DRILLER, the bilge discharge is normally through the. 
overboard discharge 
dump valves 
skimmer tank 
sump valves 
1893 
C 
On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by . 
visual sight gages 
low and high level alarms 
hydrostatic alarm switches 
OSS units (overflow sequence selector units) 
1894 
B 
On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by hydrostatic alarm switches connected to a remote panel located in the. 
OIM's quarters 
OIM's office 
control house 
SCR room 
1895 
B 
On the COASTAL DRILLER, the maximum aft extension of the cantilever places the rotary . 
68.33 feet aft of the transom 
40.00 feet aft of the transom 
38.33 feet aft of the transom 
28.33 feet aft of the transom 
1896 
C 
On the COASTAL DRILLER, the start/stop station for the bilge pumps is located. 
in the OIM's office 
in the control house 
near the bilge pits 
in the MCC 
1897 
B 
On the COASTAL DRILLER, what is NOT considered a drilling load? 
Hook load 
Cantilever pipe rack 
Conductor tension 
Setback 
1898 
C 
On the COASTAL DRILLER, when afloat, oily bilge discharge should be pumped through the . 
overboard discharge 
dump valves 
skimmer tanks 
raw water header 
1899 
B 
On the DEEP DRILLER, among the portside valves to open when deballasting from ballast tank 2P is valve . 
3 
5 
6 
7 
1900 
B 
On the DEEP DRILLER, among the starboardside valves to open when deballasting from ballast tank 2S is valve. 
3 
5 
6 
7 
1901 
D 
On the DEEP DRILLER, among the starboardside valves to open when deballasting from ballast tank 2S is valve. 
8 
19 
20 
48 
1902 
C 
On the DEEP DRILLER, among the starboardside valves to open when deballasting from ballast tank 8S is valve. 
7 
8 
17 
18 
1903 
A 
On the DEEP DRILLER, among the starboardside valves to open when flooding through the overboard discharge into ballast tank 1S is valve. 
2 
3 
7 
37 
1904 
B 
On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10P to Tank 1S using the #2 ballast pump is valve. 
33 Starboard 
36 Starboard 
33 Port 
36 Port 
1905 
D 
On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10S to Tank 1P using the #2 ballast pump is valve. 
33 Starboard 
44 Starboard 
33 Port 
34 Port 
1906 
C 
On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 1S to Tank 10P using the #1 ballast pump is valve. 
33 Starboard 
44 Starboard 
33 Port 
44 Port 
1907 
C 
On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is. 
250 gallons per minute 
350 gallons per minute 
500 gallons per minute 
700 gallons per minute 
1908 
C 
On the DEEP DRILLER, to pump bilge water out of the starboard pump room using both bilge pumps, it is necessary to open valves. 
41 and 42 
39 and 40 
39, 40, 41, and 42 
39, 40, 41, 42, 26, and 28 
1909 
B 
On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and. 
25 
26 
29 
48 
1910 
A 
On the DEEP DRILLER, when using the starboard #2 ballast pump to provide water to the main deck from the sea, it is necessary to open valves. 
37, 35, 36, 45 
37, 36, 46, 47 
38, 47 
38, 47, 45, 46 
1911 
D 
On the machinery deck of the COASTAL DRILLER, each watertight compartment has at least one sump valve that can be remotely operated from the . 
OIM's quarters 
OIM's office 
control house 
bilge pit 
1937 
D 
One way to increase the period of roll on a semisubmersible rig while under tow is to . 
dump deck tanks into lower hulls 
plug ballast tank vents 
head into the waves 
increase tank free surface 
1951 
D 
Periodic surveys to renew the load line assignment for a MODU must be made at intervals not exceeding . 
18 months 
2 years 
3 years 
5 years 
1952 
B 
Personnel boarding a davitlaunched liferaft from a MODU should be checked to assure they are not in possession of or wearing. 
oil stained shoes or clothing 
sharp objects that may puncture or damage the liferaft 
matches or cigarette lighters 
drugs or paraphernalia not approved by a medical doctor 
1959 
A 
Port ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast the forwardport column using port ballast pump #2, it is necessary to open valves. 
3, 34, 35, 36, 46, and 48 
4, 34, 35, 36, 46, and 48 
3, 34, 36, 46, and 48 
4, 34, 36, 46, and 48 
1963 
C 
Portable Halon extinguishers used on MODU's may use . 
HALON 1301 only 
HALON 22 only 
HALON 1211 only 
HALON 1301 or 1211 
1965 
D 
Power operated cranes used on a MODU must not be powered by. 
diesel engines 
chargeable batteries 
electric motors 
gasoline engines 
1966 
D 
Preload tank 22B on the COASTAL DRILLER contains 5.0 feet of preload. It is decided to complete filling the tank. What is the TCG of the added liquid? 
65.60 feet 
65.74 feet 
65.77 feet 
65.83 feet 
1972 
C 
Prior to boarding from a MODU, a davitlaunched liferaft should be well ventilated of excess . 
hydrocarbon gas 
carbon monoxide gas 
carbon dioxide gas 
freon gas 
1973 
C 
Prior to burning or welding on a fuel tank on a MODU, regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by. 
a marine chemist 
the Officer in Charge, Marine Inspection 
the Master or person in charge of the MODU 
the National Fire Protection Association 
1976 
A 
Prior to getting underway in fresh or brackish water, the Master or person in charge of a MODU must . 
log the density of the water 
secure all overboard discharges 
take on fresh water ballast 
clean the sides with fresh water 
1977 
C 
Prior to getting underway, the Master or person in charge of a MODU must. 
conduct a fire drill 
conduct a boat drill 
log the fore and aft draft marks 
test the emergency generator 
1981 
C 
Progressive flooding on a MODU is controlled by securing watertight boundaries and. 
transferring drill water 
dumping bulk materials 
pumping out flooded compartments 
evacuating the unit 
1982 
D 
Progressive flooding on a MODU may be indicated by . 
ballast control alarms 
excessive draft 
excessive list or trim 
a continual worsening of list or trim 
1997 
A 
Records which must be retained on board after report of casualty to a MODU include the. 
tour reports 
hull reports 
machinery repair record book 
deck equipment log 
2004 
B 
Regulations require certain records to be retained on board a MODU for how long after the report of a casualty? 
1 month 
3 months 
6 months 
12 months 
2005 
D 
Regulations require certain records to be retained on board for at least 3 months after a MODU is involved in a casualty or until advised that they are no longer needed on board by the. 
owner 
Master 
person in charge 
Officer in Charge, Marine Inspection 
2013 
C 
Regulations require that line throwing equipment on mobile offshore drilling units be tested at regular intervals. What entry should be made in the logbook? 
No entry is required unless it is an official logbook. 
An entry is required only if there is a failure. 
Only the date of the test 
The name of the person making the test 
2019 
C 
Reinforcing frames attached to a bulkhead on a MODU are called. 
side longitudinals 
intercostals 
stiffeners 
brackets 
2021 
B 
Repair of structures on a MODU in the vicinity of liquid mud handling areas presents what possible hazard? 
Toxic gasses may be present. 
Flammable gasses may be present. 
Liquid muds may flood adjoining spaces. 
An oxygendeficient atmosphere may be present. 
2022 
A 
Repair of vital machinery and services on a MODU should be accomplished. 
after control of fire, flooding, and structural repairs 
immediately 
after control of fire, but before control of flooding 
after stability is restored 
2023 
C 
Repairing damage to the hull of a MODU at or above the waterline reduces the threat of. 
free surface effects 
capsizing the MODU 
continued progressive flooding 
wind overturning moments 
2025 
C 
Requirements for H2S preparation and equipment usage aboard MODU's in U.S. offshore waters are administered by the. 
U.S. Coast Guard 
U.S. Corps of Engineers 
Minerals Management Service 
American National Standards Institute 
2038 
C 
Salt water ballast tank 2P on the DEEP DRILLER contains 5.0 feet of ballast. It is decided to fill the tank. What is the VCG of the added liquid? 
7.5 feet 
10.0 feet 
12.5 feet 
15.0 feet 
2041 
D 
Sea water remaining in the preload tanks of the COASTAL DRILLER after the preload has been dumped shall be entered in the load form as . 
basic load 
fixed load 
preload 
liquid variable load 
2046 
C 
Semiportable extinguishers used on MODU's are sizes . 
II, III, and IV 
I, II, and III 
III, IV, and V 
IV and V 
2047 
B 
Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a. 
lower KG 
smaller GM 
smaller roll angle 
larger GZ 
2060 
B 
Since accumulations of H2S gas on a MODU can be dangerous to personnel, it is important to know that H2S gas is. 
lighter than air 
heavier than air 
a yellow gas that is easily recognized 
mildly toxic 
2074 
A 
Smoking in bed on a MODU is prohibited . 
at all times 
during evening hours 
unless another person is present 
during drilling operations 
2090 
C 
Stanchions prevent the entire deck load on a MODU from being carried by the. 
bulkheads 
stringers 
frames and beam brackets 
deck longitudinals 
2091 
D 
Standards for fabrication and testing of chain on mobile offshore drilling units are provided by the . 
Department of the Interior 
U.S. Coast Guard 
Minerals Management Service 
American Petroleum Institute 
2092 
A 
Starboard ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast from the forward starboard column using starboard pump #2, it is necessary to open valves. 
3, 34, 35, 36, 46, and 48 
4, 34, 35, 36, 46, and 48 
3, 34, 36, 46, and 48 
4, 34, 36, 46, and 48 
2093 
A 
Starboard ballast pump #1 on the DEEP DRILLER has failed. To deballast from tank C2SA using starboard ballast pump #2, it is necessary to open the manual valve and which motor driven valves? 
15, 34, 35, 36, 46, 48 
16, 27, 32, 35, 36, 48 
15, 33, 43, 48 
14, 34, 35, 36, 46, 48 
2102 
B 
Structural bulkheads on a MODU are usually . 
continuous 
watertight 
transverse 
nonwatertight 
2103 
A 
Structural stress levels in a MODU are the sum of loading stresses and stresses due to. 
environmental loads 
variable loads 
ballast loading 
mooring loads 
2104 
B 
Structural stress on a MODU can be reduced by . 
lessening the effect of environmental forces 
even and symmetrical variable loading 
local concentration of heavy consumables 
increasing the metacentric height 
2108 
B 
Subtracting the height of the center of gravity corrected for longitudinal free surface effects from the height of the longitudinal metacenter of a MODU yields . 
GM 
GML 
KGL 
KML 
2109 
B 
Subtracting the height of the center of gravity corrected for transverse free surface effects from the height of the transverse metacenter of a MODU yields . 
GM 
GMT 
KGT 
KMT 
2111 
C 
Support of MODU side plating is provided primarily by transverse. 
beams 
girders 
frames 
bulkheads 
2122 
C 
The person in charge shall insure that each lifeboat on a MODU is lowered to the water, launched, and operated at least once every. 
month 
2 months 
3 months 
6 months 
2150 
D 
The angle of loll is a stability term which applies to a floating MODU with. 
offcenter loading 
stiff characteristics 
excessive pitch or roll 
negative initial stability 
2152 
D 
The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of. 
trim 
yaw 
heel 
loll 
2161 
C 
The best information on the nature and extent of damage on a MODU is obtained from. 
alarms and monitoring devices 
the toolpusher 
personnel at the scene of the damage 
person in charge of the affected spaces 
2186 
D 
The capacity of the COASTAL DRILLER preload tanks is. 
21,297.0 kips 
11,777.2 kips 
9,753.7 kips 
8,708.0 kips 
2193 
D 
The center of flotation for the COASTAL DRILLER is located at the geometric center of the. 
underwater volume 
above water volume 
amidships section 
waterplane area 
2200 
B 
The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the. 
stress plate 
keel 
rider plate 
main beam 
2202 
A 
The certificate of inspection of a MODU will specify the . 
number of licensed personnel required on board 
maximum load line draft 
maximum water depth for drilling 
next date for an inclining experiment 
2205 
A 
The chemicals in sacks aboard MODU's are palletized to reduce. 
labor in loading and handling 
pilferage 
marking and labeling 
contamination 
2211 
B 
The COASTAL DRILLER at a draft of 10.5 feet, transfers a portion of the on board liquids from full drill water tank #23 to empty drill water tank #24. What is the change in the free surface correction? 
0.69 foot 
0.44 foot 
0.34 foot 
0.22 foot 
2212 
C 
The COASTAL DRILLER has a change of trim by the head of 2.0 feet. What is the change of draft at the forward draft marks? 
0.66 feet 
1.00 feet 
1.33 feet 
2.00 feet 
2213 
D 
The COASTAL DRILLER has a trim of 2.13 feet by the stern. If the draft at the forward draft marks is 8.0 feet, the draft at the after draft marks is. 
7.00 feet 
9.00 feet 
9.42 feet 
10.13 feet 
2214 
D 
The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft at the forward draft marks is observed to be 8.0 feet. The draft at the center of flotation is. 
7.00 feet 
8.58 feet 
9.00 feet 
9.42 feet 
2215 
A 
The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft in sea water at the forward draft marks is observed to be 8.0 feet. The KML is . 
286.27 feet 
299.09 feet 
316.67 feet 
355.42 feet 
2216 
A 
The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft in sea water at the forward draft marks is observed to be 8.0 feet. The KMT is . 
153.73 feet 
160.42 feet 
179.41 feet 
203.97 feet 
2217 
A 
The COASTAL DRILLER has suffered a casualty which requires an orderly evacuation of the unit using the lifeboats and liferafts. Among the items to accomplish in preparing to evacuate the unit is . 
securing the unit as in preparation for a severe storm 
distributing self contained breathing devices 
taking a soil sample of the bottom 
All of the above 
2218 
B 
The COASTAL DRILLER has sufficient reserve stability to overcome damage due to flooding of any one watertight compartment in winds to. 
36 knots 
50 knots 
70 knots 
100 knots 
2219 
C 
The COASTAL DRILLER is drilling while weighing 15,436 kips. LM are 2,006,680 ftkips, and TM are  7,718 ftkips. What is the port leg reaction? 
3,806 kips 
5,751 kips 
5,879 kips 
7,549 kips 
2220 
B 
The COASTAL DRILLER is elevated in 192 feet of water. Leg penetration is 83 feet. The maximum leg reaction is 5,940 kips. The waves are 30 feet and the current is 2 knots. What is the maximum wind for drilling? 
45 knots 
50 knots 
57 knots 
62 knots 
2221 
B 
The COASTAL DRILLER is elevated in 250 feet of water, experiencing 2 knots current and 70 knot winds. With a maximum leg reaction of 5,760 kips, the maximum wave height for drilling is. 
15 feet 
20 feet 
25 feet 
30 feet 
2222 
D 
The COASTAL DRILLER is elevated to an air gap of 25 feet in 250 feet of water. The current is 2 knots and the waves are 30 feet. The maximum leg reaction is 6,120 kips. What is the maximum wind for drilling operations? 
100 knots 
70 knots 
60 knots 
40 knots 
2223 
C 
The COASTAL DRILLER is elevated while preparing for the passage of a severe storm. With ideal loading, the static loading on each of the three legs would be 4,715 kips. However, the LCG is 121 feet AFO and TCG is 0.5 foot to starboard of the centerline. By how many kips does the starboard leg reaction exceed the ideal loading? 
00 kips 
32 kips 
149 kips 
181 kips 
2224 
C 
The COASTAL DRILLER is experiencing a single amplitude roll angle of 1 degree and a roll period of 7 seconds. What is the maximum recommended water depth for elevating? 
50 feet 
100 feet 
150 feet 
200 feet 
2225 
C 
The COASTAL DRILLER is experiencing a single amplitude roll angle of 2 degrees and a roll period of 10 seconds. What is the maximum recommended water depth for elevating? 
50 feet 
100 feet 
150 feet 
200 feet 
2226 
B 
The COASTAL DRILLER is experiencing a single amplitude roll angle of 3 degrees and a roll period of 10 seconds. What is the maximum water depth that can be used for going on location? 
45 feet 
95 feet 
145 feet 
245 feet 
2227 
C 
The COASTAL DRILLER is in ocean transit in which the winds are not expected to exceed 70 knots. In order to meet the leg strength requirements, the tip of can (TOC) position should be at. 
0.00 feet (flush with bottom of hull) 
1.20 feet 
12.38 feet 
60.50 feet 
2228 
B 
The COASTAL DRILLER is in transit at a draft of 10.0 feet. It loads 216.43 kips of weight aboard. What is the new draft? 
10.2 feet 
10 feet 2 inches 
10 feet 3 inches 
10 feet 4 inches 
2229 
D 
The COASTAL DRILLER is in transit at a draft of 10.5 feet. It discharges 216.43 kips of weight. What is the new draft? 
10.7 feet 
10.3 feet 
10 feet 8 inches 
10 feet 4 inches 
2230 
D 
The COASTAL DRILLER is in transit at the load line draft. It discharges 279.93 kips of weight. The new draft is. 
10.88 feet 
10.8 feet 
10.0 feet 
10 feet 8 inches 
2231 
C 
The COASTAL DRILLER is in transit loaded as shown in the Sample Load Form #1 (Rig Move). What would be the new KGT if, during the move, 170.9 kips of fuel oil is consumed from Diesel Oil Tanks #13 and #14? 
48.98 feet 
50.08 feet 
50.70 feet 
51.21 feet 
2232 
B 
The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of drill water tank #17 are transferred to drill water tank #18? 
181,648 ftkips 
181,718 ftkips 
187,345 ftkips 
195,462 ftkips 
2233 
C 
The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of tank #19 are transferred to tank #13? 
12,344 ftkips 
173,493 ftkips 
181,174 ftkips 
1,929,523 ftkips 
2234 
B 
The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Rig Move). What would be the new sum of vertical moments for the liquid variables if the entire contents of tank #20 are transferred to tank #13? 
2,365 ftkips 
2,244 ftkips 
2,195 ftkips 
170 ftkips 
2235 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for longitudinal free surface effects? 
48.41 feet 
49.16 feet 
50.79 feet 
51.40 feet 
2236 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for transverse free surface effects? 
47.49 feet 
49.16 feet 
50.82 feet 
50.93 feet 
2237 
A 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new longitudinal free surface correction? 
1.63 feet 
2.14 feet 
2.24 feet 
2.38 feet 
2238 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new transverse free surface correction? 
1.77 feet 
1.67 feet 
1.56 feet 
1.45 feet 
2239 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new height of the longitudinal metacenter? 
249.47 feet 
250.16 feet 
252.92 feet 
253.90 feet 
2240 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new height of the transverse metacenter? 
134.95 feet 
135.91 feet 
136.38 feet 
136.89 feet 
2241 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new VCG? 
47.21 feet 
47.69 feet 
48.41 feet 
49.16 feet 
2242 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the #1 drill water tank are discharged, what would be the new LCG? 
118.46 feet AF0 
119.44 feet AF0 
119.98 feet AF0 
120.42 feet AF0 
2243 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the #7 drill water tank are discharged, what would be the new TCG? 
0.15 foot 
0.00 foot 
0.15 foot 
0.29 foot 
2244 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the four bulk tanks are backloaded to a supply boat, what would be the new draft? 
7.16 feet 
10.31 feet 
10.57 feet 
11.19 feet 
2245 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the drill water in drill water tanks #6 and #25 are discharged, what is the new draft? 
8.26 feet 
10.66 feet 
10.88 feet 
11.10 feet 
2246 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of the port pipe rack are backloaded to an offshore supply vessel, how much drill water would have to be transferred from tank #1 to tank #26 to level the vessel in trim? 
62.7 kips 
64.4 kips 
111.4 kips 
114.9 kips 
2247 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the margin on the maximum allowable KG if winds remain less than 70 knots? 
0.00 feet 
14.35 feet 
14.82 feet 
65.00 feet 
2248 
A 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new TCG if the entire contents of drill water tanks 6 and 7 are discharged? 
0.23 foot 
0.00 foot 
0.23 foot 
0.54 foot 
2249 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new trim angle if 500 kips of weight are shifted aft 60 feet? 
2.02 degrees by the stern 
1.51 degrees by the stern 
0.98 degrees by the stern 
0.61 degrees by the stern 
2250 
A 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds increase to greater than 70 knots? 
0 kips 
200 kips 
600 kips 
1,000 kips 
2251 
A 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds remain less than 70 knots? 
0 kips 
200 kips 
600 kips 
1,000 kips 
2252 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are backloaded to an offshore supply vessel, what longitudinal moment would have to be created to level the unit in trim at the new draft? 
25,846 ftkips 
17,119 ftkips 
8,727 ftkips 
1,788 ftkips 
2253 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are backloaded to an offshore supply vessel, what transverse moment would have to be created to level the unit in list at the new draft? 
3,604 ftkips 
4 ftkips 
3,470 ftkips 
7,088 ftkips 
2254 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are backloaded to an offshore supply vessel, what would be the new draft? 
11.04 feet 
10.88 feet 
10.72 feet 
9.02 feet 
2255 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the margin on the maximum allowable KG if winds increase to greater than 70 knots, and the TOC is changed to the recommended value? 
0.0 foot 
1.0 foot 
37.0 feet 
38.0 feet 
2256 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new LCG if the entire contents of drill water tanks 6 and 7 are discharged? 
118.20 feet 
119.44 feet 
120.10 feet 
121.36 feet 
2257 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new Longitudinal Free Surface Correction (FSCL) if the entire contents of drill water tanks 6 and 7 are discharged? 
2.24 feet 
2.14 feet 
2.10 feet 
1.63 feet 
2258 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new transverse free surface correction (FSCT) if the entire contents of drill water tanks 6 and 7 are discharged? 
2.24 feet 
2.14 feet 
2.10 feet 
1.67 feet 
2259 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new VCG if the entire contents of drill water tanks 6 and 7 are discharged? 
38.00 feet 
48.38 feet 
49.16 feet 
65.00 feet 
2260 
C 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KML if the entire contents of drill water tanks 6 and 7 are discharged? 
253.90 feet 
253.24 feet 
252.92 feet 
252.24 feet 
2261 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KMT if the entire contents of drill water tanks 6 and 7 are discharged? 
135.91 feet 
136.38 feet 
136.62 feet 
136.89 feet 
2262 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above 70 knots. What would be the change in KGL if the legs are lowered to the recommended value? 
12.75 feet 
13.65 feet 
59.30 feet 
60.50 feet 
2263 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above 70 knots. What would be the new KGL if the legs are lowered to the recommended value? 
50.65 feet 
37.00 feet 
36.53 feet 
13.65 feet 
2264 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What will be the LCG if the preload is dumped? 
118.51 feet AFO 
119.44 feet AFO 
120.62 feet AFO 
121.53 feet AFO 
2265 
D 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the LCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom? 
114.06 feet AFO 
119.44 feet AFO 
123.75 feet AFO 
125.91 feet AFO 
2266 
B 
The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the TCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom, and the drill floor is skidded 8 feet to port? 
0.52 foot 
0.33 foot 
0.17 foot 
0.52 foot 
2267 
C 
The COASTAL DRILLER is loaded as shown in the sample load from #2 (preload). All of the preload is dumped with the exception of 50 kips in preload tank #28. What is the new LCG? 
119.11 feet AF0 
119.44 feet AF0 
119.68 feet AF0 
120.11 feet AF0 
2268 
D 
The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips. What is the weight of the missing load? 
46 kips 
84 kips 
189 kips 
217 kips 
2269 
B 
The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips, total longitudinal moments 1,613,466 footkips, and total transverse moments 10,000 foot kips. What is the longitudinal location of the missing load? 
46 feet AFO 
84 feet AFO 
189 feet AFO 
217 feet AFO 
2270 
B 
The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips, total longitudinal moments 1,613,466 footkips, and total transverse moments 10,000 foot kips. What is the transverse location of the missing load? 
46 feet port of the centerline 
46 feet starboard of the centerline 
84 feet port of the centerline 
84 feet starboard of the centerline 
2271 
C 
The COASTAL DRILLER is operating with a wave clearance of about 20 feet. The outoflevel alarm sounds and the unit is found to be inclined 0.5 degree bow down. The recommended course of action is to. 
prepare to take action in case inclination increases 
jack the hull up on the bow leg 
jack the hull down on the aft two legs 
transfer weight, such as drill water, toward the stern 
2272 
C 
The COASTAL DRILLER, elevated in 100 feet of water with 0 knots current, 30 foot waves, and wind speeds of 50 knots may continue drilling if the maximum leg reaction is less than. 
6,180 kips 
6,320 kips 
6,440 kips 
6,520 kips 
2273 
C 
The COASTAL DRILLER, elevated in 150 feet of water with 0 knots current, 10 foot waves, and wind speeds of 70 knots may continue drilling if the maximum leg reaction is less than. 
5,940 kips 
6,020 kips 
6,080 kips 
6,520 kips 
2274 
C 
The COASTAL DRILLER, elevated in 200 feet of water with 2 knots current, 30 foot waves, and wind speeds of 60 knots may continue drilling if the maximum leg reaction is less than. 
5,700 kips 
5,790 kips 
5,870 kips 
5,990 kips 
2275 
A 
The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is. 
20 feet 
30 feet 
35 feet 
40 feet 
2276 
B 
The COASTAL DRILLER, following discharge of preload, should. 
leave dump valves open 
close all dump valves 
remove dump valves 
replace dump valves 
2277 
C 
The COASTAL DRILLER, in field transit at a draft of 10 feet 0 inches with winds less than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is. 
3.0 feet 
3.4 feet 
26.0 feet 
26.4 feet 
2278 
A 
The COASTAL DRILLER, in ocean transit at a draft of 10 feet 0 inches with winds greater than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is . 
2.6 feet 
4.1 feet 
26.3 feet 
26.8 feet 
2279 
D 
The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds greater than 70 knots, has a KGT of 38.7 feet and a KGL of 38.2 feet. The margin on the maximum allowable KG is . 
26.8 feet 
26.3 feet 
1.8 feet 
1.3 feet 
2280 
A 
The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds less than 70 knots, has a KGT of 50.6 feet and a KGL of 51.4 feet. The margin on the maximum allowable KG is. 
13.6 feet 
14.4 feet 
40.0 feet 
65.0 feet 
2281 
A 
The COASTAL DRILLER, in transit during a severe storm while at a draft of 9 feet 6 inches, has a KGT of 39.1 feet and a KGL of 39.9 feet. The margin on the maximum allowable KG is. 
2.6 feet 
3.4 feet 
25.1 feet 
25.9 feet 
2282 
A 
The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs so that the can tips are. 
60.5 feet below the hull 
48.5 feet below the hull 
11.6 feet below the hull 
1.2 feet below the hull 
2283 
A 
The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for leg strength and. 
stability 
variable load 
environmental load 
load line 
2284 
A 
The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for stability and. 
leg strength 
variable load 
environmental load 
load line 
2285 
C 
The COASTAL DRILLER, in transit with winds less than 70 knots, has a draft of 10 feet 8 inches. The VM are 541,257 ftkips, FSML are 32,000 ftkips, and FSMT are 24,000 ftkips. The margin on the maximum allowable KG is. 
2.3 feet 
0.0 feet 
23.7 feet 
26.0 feet 
2286 
C 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #2 (Preload), dumps the preload. However, 138.4 kips remained on board. The LM for the remaining preload is 17,992 ftkips. What is the new LCG? 
119.33 feet AFO 
119.44 feet AFO 
119.54 feet AFO 
119.66 feet AFO 
2287 
A 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new LCG? 
124.97 feet AFO 
125.09 feet AFO 
127.70 feet AFO 
130.42 feet AFO 
2288 
D 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new TCG? 
1.61 feet 
1.58 feet 
0.43 feet 
0.99 feet 
2289 
C 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new LCG? 
122.02 feet AFO 
125.03 feet AFO 
125.63 feet AFO 
131.46 feet AFO 
2290 
B 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new TCG? 
0.36 foot 
0.26 foot 
0.31 foot 
0.36 foot 
2291 
B 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new LCG? 
115.79 feet AFO 
119.18 feet AFO 
119.44 feet AFO 
126.68 feet AFO 
2292 
D 
The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new TCG? 
1.11 feet 
0.47 foot 
1.07 feet 
1.11 feet 
2293 
A 
The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ftkips and TM 2,158 ftkips. What is the bow leg reaction? 
7,026 kips 
7,099 kips 
7,144 kips 
7,180 kips 
2294 
C 
The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ftkips and TM 2,158 ftkips. What is the port leg reaction? 
7,026 kips 
7,099 kips 
7,144 kips 
7,180 kips 
2295 
D 
The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ftkips and TM 2,158 ftkips. What is the starboard leg reaction? 
7,026 kips 
7,099 kips 
7,144 kips 
7,180 kips 
2296 
C 
The COASTAL DRILLER, while drilling has a total weight of 15,435 kips. The LM are 1,975,680 ftkips and the TM are 15,435 ftkips. What is the starboard leg reaction? 
4,060 kips 
5,145 kips 
5,559 kips 
5,816 kips 
2297 
C 
The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is 0.5 feet to port of the centerline. What is the bow leg reaction? 
4,737 kips 
4,916 kips 
5,063 kips 
5,145 kips 
2298 
C 
The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is 0.5 feet to port of the centerline. What is the port leg reaction? 
5,063 kips 
5,104 kips 
5,233 kips 
5,345 kips 
2299 
C 
The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is 0.5 foot to port of the centerline. What is the starboard leg reaction? 
4,956 kips 
5,063 kips 
5,104 kips 
5,233 kips 
2300 
A 
The COASTAL DRILLER, while drilling, has a total weight of 15,435 kips. The LM are 1,975,680 ftkips and the TM are 15,435 ftkips. What is the bow leg reaction? 
4,060 kips 
5,145 kips 
5,559 kips 
5,816 kips 
2301 
D 
The COASTAL DRILLER, while drilling, has a total weight of 15,435 kips. The LM are 1,975,680 ftkips and the TM are 15,435 ftkips. What is the port leg reaction? 
4,060 kips 
5,145 kips 
5,559 kips 
5,816 kips 
2302 
A 
The COASTAL DRILLER, while elevated in 200 feet of water, has 2 knots of current, 50 knots of wind, and 30 foot seas. What is the maximum leg reaction for drilling? 
6,090 kips 
5,980 kips 
5,540 kips 
5,320 kips 
2303 
C 
The COASTAL DRILLER, while in a normal transit, experiences single amplitude rolling of three degrees. What is the minimum period of roll which does not exceed the design limits of the legs? 
1.5 seconds 
3.0 seconds 
5.5 seconds 
7.0 seconds 
2304 
A 
The COASTAL DRILLER, while in an ocean transit, experiences a single amplitude roll of 8 degrees. What is the minimum period of motion which does not exceed the design limits of the legs? 
10 seconds 
8 seconds 
6 seconds 
4 seconds 
2305 
B 
The COASTAL DRILLER, while in normal transit, experiences a single amplitude roll of 6 degrees. What is the minimum roll period which does not exceed design limits of the legs? 
10.5 seconds 
8.0 seconds 
4.5 seconds 
1.0 second 
2306 
D 
The COASTAL DRILLER, while in transit, expects the winds to increase to 75 knots. In order to meet the stability and leg strength requirements, the tipofcan (TOC) position should be at. 
0.00 feet (flush with bottom of hull) 
1.20 feet 
12.38 feet 
60.50 feet 
2307 
B 
The COASTAL DRILLER, while operating with minimal wave clearance, is inclined 0.5 degrees bow down. Lowering the stern may place the hull in the wave action. The recommended course of action is to . 
prepare to take action in case inclination increases 
jack the hull up on the bow leg 
jack the hull down on the aft two legs 
transfer weight, such as drill water, toward the stern 
2308 
D 
The COASTAL DRILLER, with a displacement of 13,553 kips, has a draft of. 
10.5 feet 
11 feet 6 inches 
11 feet 2 inches 
10 feet 5 inches 
2309 
B 
The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of . 
13,011 kips 
13,336 kips 
13,445 kips 
14,637 kips 
2310 
A 
The COASTAL DRILLER, with a draft of 10 feet 6 inches, has a displacement of. 
13,662 kips 
13,553 kips 
13,011 kips 
12,252 kips 
2311 
B 
The COASTAL DRILLER, with no list, is at a true mean draft of 10 feet and 10 inches. LM is 1,699,463 ftkips. Using only tanks #1, #25, and #26, how many kips of drill water must be transferred to level the jackup? 
Transfer 106.2 kips aft from #1 to #25 and #26 
Transfer 53.1 kips each from #25 and #26 forward to #1 
Transfer 612 kips from #25 to #26 
Vessel is level; no need to transfer 
2312 
D 
The COASTAL DRILLER, with no trim, is at a true mean draft of 10 feet and 10 inches. TM is 6,800 ft kips. Using only tanks #1, #25, and #26, how many kips of drill water must be transferred to level the jack up? 
Transfer 53.1 kips each from #25 and #26 forward to #1 
Transfer 100 kips from #26 to #25 
Transfer 200 kips from #25 to #26 
Transfer 100 kips from #25 to #26 
2313 
C 
The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining a watertight integrity, KGL and KGT less than maximum allowed, level attitude, and displacement less than . 
11,777 kips 
13,158 kips 
14,158 kips 
17,280 kips 
2314 
B 
The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining watertight integrity, displacement less than 14,158 kips, level attitude, and KGT and KGL less than. 
the height of the righting arm 
the maximum allowed 
GMT and GML 
BMT and BML 
2326 
D 
The condition where a MODU on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in. 
synchronism 
harmony 
check 
step 
2329 
A 
The connection facilities for the international shore connection required on board offshore drilling units in international service must be located to provide access. 
to each side of the drilling unit 
as close as possible to the control house 
on the drill floor 
on each level of the accommodation space 
2330 
B 
The construction portfolio may be included as part of the MODU. 
general plans 
operating manual 
builders documentation 
Coast Guard file 
2338 
C 
The davit aboard a MODU is used to. 
lower personnel down by a transfer basket 
lower food and water to personnel in a liferaft 
lower the liferaft down with its full complement 
move equipment around the deck 
2340 
A 
The deck loads on a MODU are distributed through the deck beams to the. 
frames 
hull 
stringers 
plates 
2341 
D 
The deck plating on a MODU is supported primarily by deck longitudinals and deck. 
girders 
stanchions 
frames 
beams 
2343 
C 
The decks of a MODU are supported by transverse members called. 
trusses 
deck longitudinals 
deck beams 
web frames 
2345 
D 
The DEEP DRILLER as currently configured is limited to a maximum drilling depth of. 
18,400 feet 
20,600 feet 
22,800 feet 
25,000 feet 
2346 
B 
The DEEP DRILLER as currently configured is limited to a maximum water depth of. 
400 feet 
600 feet 
800 feet 
1,000 feet 
2347 
B 
The DEEP DRILLER at a draft of 58.0 feet discharges 1,792.44 long tons of ballast. What is the new draft? 
40 feet 
45 feet 
50 feet 
55 feet 
2348 
C 
The DEEP DRILLER at a draft of 58.0 feet loads 68.94 long tons of ballast. What is the new draft? 
52.0 feet 
57.5 feet 
58.5 feet 
64.0 feet 
2349 
C 
The DEEP DRILLER at a draft of 60.0 feet discharges 68.94 long tons of ballast. What is the new draft? 
66.0 feet 
60.5 feet 
59.5 feet 
55.0 feet 
2350 
C 
The DEEP DRILLER at survival draft loads 2,068.1 long tons of ballast. What is the new draft? 
30.0 feet 
45.0 feet 
60.0 feet 
75.0 feet 
2351 
B 
The DEEP DRILLER departs a fresh water port at a draft of 19.5 feet. What will be the draft in sea water? 
18.7 feet 
19.1 feet 
19.4 feet 
19.8 feet 
2352 
C 
The DEEP DRILLER departs a fresh water port at a draft of 20 feet. What will be the draft in sea water? 
19.0 feet 
19.3 feet 
19.6 feet 
20.4 feet 
2353 
C 
The DEEP DRILLER departs a fresh water port at a draft of 20.5 feet. What will be the draft in sea water? 
18.2 feet 
19.4 feet 
19.7 feet 
22.8 feet 
2354 
A 
The DEEP DRILLER has a KGL of 53.16 feet while at a draft of 58.0 feet. Although there are no environmental forces, trim is 2.0 feet by the stern. What is the value of LCG? 
2.16 feet 
2.26 feet 
2.36 feet 
2.46 feet 
2355 
C 
The DEEP DRILLER has a KGT of 52.90 feet while at a draft of 58.0 feet. List is 2.0 feet to port. What is the value of TCG? 
0.10 foot 
0.13 foot 
0.16 foot 
0.19 foot 
2356 
B 
The DEEP DRILLER in transit is level at 23.0 feet draft. Strong winds are blowing from the starboard. A careful load form calculation determines that the TCG is 2.0 feet to starboard. What is the value of the wind heeling moment? 
4,339 footlong tons 
26,033 footlong tons 
39,050 footlong tons 
78,099 footlong tons 
2357 
B 
The DEEP DRILLER is anchoring in 600 feet of water. In the absence of environmental forces, the mooring lines should be adjusted to. 
245 kips 
222 kips 
237 kips 
194 kips 
2358 
C 
The DEEP DRILLER is being towed at a 20 foot draft. Vessel motions are within acceptable limits, but the waves begin to hit the horizontal braces. You should . 
continue on course at the same draft 
ballast to a 60 foot draft and continue on course 
change course to reduce the wave impact 
shorten the tow wire for a smoother ride 
2359 
D 
The DEEP DRILLER is drilling at 60 feet draft at a corrected KG of 54.0 feet. Ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much nonliquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots? 
1283 long tons 
817 long tons 
679 long tons 
302 long tons 
2360 
A 
The DEEP DRILLER is drilling on location at a 60 foot draft. Waves are approaching within 2 feet of the underside of the spider deck. You should . 
suspend drilling operations and deballast to a 45 foot draft 
continue drilling while ballasting to a 20 foot draft maximum air gap 
deballast when the waves just begin to hit the underside of the spider deck 
reduce tension on all anchor chains to increase draft 
2361 
A 
The DEEP DRILLER is engaged in wire line logging. You have 10,000 feet of drill pipe and bottom hole assembly in the set back. Marine weather forecasts are predicting weather with winds in excess of 70 knots. Your first step to prepare for the storm should be to . 
suspend wire line operations and run the drill string into the hole 
continue wire line operations and bring the rig to a 45 foot draft 
suspend wire line operations and dump your mud pits overboard 
increase tension on all anchor chains to minimize movement of the rig 
2362 
C 
The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of LCG? 
0.00 (amidships) 
2.23 feet forward of amidships 
2.26 feet forward of amidships 
2.31 feet forward of amidships 
2363 
A 
The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of TCG? 
0.00 on the centerline 
2.23 feet forward of amidships 
2.26 feet forward of amidships 
2.31 feet forward of amidships 
2364 
D 
The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment? 
18,118 foottons 
9,059 foottons 
4,529 foottons 
0 foottons 
2365 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new height of the center of gravity corrected for transverse free surface effects? 
51.50 feet 
52.54 feet 
52.88 feet 
53.54 feet 
2366 
A 
The DEEP DRILLER is loaded as shown in Sample Load Form #3 (Preparing to Drill). What is the margin on the maximum allowable KG while drilling? 
4.58 feet 
5.24 feet 
6.27 feet 
6.94 feet 
2367 
A 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). If port valves 24 and 2 are mistakenly opened, the change in inclination will be increasing trim by the. 
bow with port list 
bow 
stern 
stern with starboard list 
2368 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of FSML for Fresh Water if the entire contents of Drill Water Tank #5P are transferred to Tank #5S? 
3,645 fttons 
3,328 fttons 
317 fttons 
0 fttons 
2369 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for Fuel Oil (Table 2) if the entire contents of Tank 4P are transferred to Tank 4S? 
000 foottons 
3,992 foottons 
7,984 foottons 
15,968 foottons 
2370 
B 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker? 
5,996 foottons 
1,688 foottons 
495 foottons 
115 foottons 
2371 
B 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse free surface moments for Fuel Oil (Table 2) if the entire contents of Tank #4P are transferred to Tank #4S? 
0 foottons 
1,189 foottons 
2,378 foottons 
7,984 foottons 
2372 
A 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for the Stores & Supplies if paint weighing 3.48 tons is added to the paint locker? 
13,346 foottons 
5,054 foottons 
964 foottons 
292 foottons 
2373 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 17 fails in the closed position. You may deballast from tank 8S by pumping from tank 9S and opening valves 18 and . 
35 
21 
20 
17 
2374 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 19 fails in the closed position. You may deballast from tank 9S by pumping from tank 8S by opening valves 20 and . 
35 
21 
18 
17 
2375 
D 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S? 
995 foottons 
16,918 foottons 
17,713 foottons 
34,381 foottons 
2376 
D 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker? 
592 foottons 
296 foottons 
148 foottons 
000 foottons 
2377 
A 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S? 
3,493 foottons 
1,797 foottons 
1,748 foottons 
100 foottons 
2378 
B 
The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal free surface moments for Fuel Oil (Table 2) if the entire contents of Tank #4P are transferred to Tank #4S? 
1,189 foottons 
2,835 foottons 
5,378 foottons 
5,670 foottons 
2379 
A 
The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the . 
natural pitch period 
metacentric height 
height of the righting arm 
righting moment 
2380 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #4. While the unit is deballasting, port valve 5 fails in the closed position. You may deballast from tank 2P by pumping from tank 9P by also opening valves 6 and. 
35 
21 
20 
8 
2381 
D 
The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, port valve 5 fails in the closed position. You may deballast from tank 2P by pumping from tank 1P after opening valves 6 and. 
35 
7 
4 
2 
2382 
C 
The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, starboard valve 5 fails in the closed position. You may deballast from tank 2S by pumping from tank 1S after opening valves 6 and . 
8 
7 
2 
1 
2383 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit? 
561.87 long tons 
461.87 long tons 
281.34 long tons 
192.59 long tons 
2384 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). According to the deck load graph, how much additional deck load could be added on the unit? 
435.59 long tons 
321.59 long tons 
281.59 long tons 
192.59 long tons 
2385 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Additional deck load may be placed aboard. If the maximum permissible deck load were placed in the pipe racks at a VCG of 130 feet, the KG increases. 
1.43 feet 
1.89 feet 
2.23 feet 
2.43 feet 
2386 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Although winds are less than 70 knots, excessive motion requires ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet, and upon arrival at 45 feet, port and starboard ballast tanks 1, 3, and 8 are slack. What will be the new margin on the maximum allowable KG? 
7.08 feet 
8.12 feet 
8.44 feet 
8.96 feet 
2387 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Excessive motion makes it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foottons, what is the new margin on the maximum allowable KG? 
6.23 feet 
5.11 feet 
4.86 feet 
4.06 feet 
2388 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). How much additional deck load can be placed aboard without exceeding the deck load limit? 
1,335.6 long tons 
1,086.6 long tons 
585.4 long tons 
435.6 long tons 
2389 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If the maximum permissible deck load were placed aboard at a VCG of 130 feet, what would be the new draft? 
19 feet 9 inches 
20 feet 4 inches 
20 feet 8 inches 
21 feet 4 inches 
2390 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If weather conditions make it necessary to ballast down to survival, how much ballast would be required? 
3,998.3 long tons 
4,086.5 long tons 
4,188.0 long tons 
5,087.0 long tons 
2391 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Severe motion makes it necessary to ballast down to survival draft. It is decided to check stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foottons, what is the new GML? 
6.23 feet 
5.11 feet 
4.86 feet 
4.06 feet 
2392 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet? 
2,094 long tons 
2,194 long tons 
2,294 long tons 
3,294 long tons 
2393 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foottons, what is the new KGL? 
54.76 feet 
55.76 feet 
57.22 feet 
61.16 feet 
2394 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, what is the new KG? 
54.76 feet 
55.76 feet 
57.22 feet 
57.76 feet 
2395 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet, and upon arrival at 45 feet, port and starboard ballast tanks 1, 3, and 8 are slack. What is the new KGL? 
51.65 feet 
52.67 feet 
55.16 feet 
62.24 feet 
2396 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet. What would be the value of uncorrected KG? 
51.65 feet 
52.67 feet 
55.15 feet 
62.24 feet 
2397 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that upon arrival at 45 feet, port and starboard ballast tanks 2 and 9 will be full and that port and starboard ballast tanks 1, 3, and 8 will be slack. What would be the new value of the total longitudinal free surface moments (FSML)? 
69,658 foottons 
56,244 foottons 
42,830 foottons 
30,168 foottons 
2398 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for longitudinal free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
67.04 feet 
68.02 feet 
68.72 feet 
69.21 feet 
2399 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
65.95 feet 
66.85 feet 
67.66 feet 
68.59 feet 
2400 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new metacentric height corrected for longitudinal free surface effects if the entire contents of salt water ballast 1anks 1P and 1S are discharged? (Use KML = 348.58) 
261.11 feet 
279.37 feet 
283.37 feet 
301.12 feet 
2401 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (transit). What is the new metacentric height corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? (Use KMT = 375.38 feet) 
375.38 feet 
345.23 feet 
319.66 feet 
306.79 feet 
2402 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new LM (longitudinal moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
5,191 fttons 
13,414 fttons 
31,992 fttons 
69,175 fttons 
2403 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new TM (transverse moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
3,436 fttons 
3,446 fttons 
3,594 fttons 
22,682 fttons 
2404 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new vertical moments if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
12,662 fttons 
794,346 fttons 
795,025 fttons 
795,704 fttons 
2405 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new longitudinal free surface correction (FSCL) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
1.06 feet 
1.09 feet 
3.30 feet 
3.38 feet 
2406 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new transverse free surface correction (FSCT) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? 
0.46 foot 
0.71 foot 
1.08 feet 
1.44 feet 
2407 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballast to Survival). What is the new longitudinal location of the center of buoyancy if all the bulk materials are discharged? 
2.34 feet 
2.48 feet 
2.50 feet 
2.53 feet 
2408 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for longitudinal free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 
6.46 feet 
7.09 feet 
7.72 feet 
8.39 feet 
2409 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for transverse free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 
10.42 feet 
10.87 feet 
11.50 feet 
12.13 feet 
2410 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new draft if all the bulk materials are discharged? 
36.23 feet 
44.27 feet 
45.73 feet 
53.77 feet 
2411 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the longitudinal metacenter if all the bulk materials are discharged? 
61.34 feet 
62.13 feet 
62.35 feet 
64.00 feet 
2412 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the transverse metacenter if all the bulk materials are discharged? 
63.14 feet 
64.05 feet 
64.30 feet 
66.09 feet 
2413 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in LCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 
0.06 foot aft 
0.14 foot aft 
0.27 foot aft 
0.40 foot aft 
2414 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in TCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 
0.01 foot starboard 
0.18 foot starboard 
0.27 foot starboard 
0.39 foot starboard 
2415 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in VCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? 
0.19 foot down 
0.44 foot down 
0.63 foot down 
1.19 feet down 
2416 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the VCG of the added liquid if 100.76 long tons of ballast are added to Ballast Tank #8S? 
1.35 feet 
6.95 feet 
8.30 feet 
15.26 feet 
2417 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new draft? 
60 feet 9.6 inches 
59 feet 2.7 inches 
57 feet 11.5 inches 
56 feet 10.9 inches 
2418 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the longitudinal metacenter? 
61.13 feet 
61.19 feet 
61.22 feet 
62.94 feet 
2419 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the transverse metacenter? 
61.19 feet 
62.80 feet 
62.99 feet 
62.94 feet 
2420 
A 
The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new metacentric height corrected for transverse free surface effects? 
11.26 feet 
10.07 feet 
9.67 feet 
8.30 feet 
2421 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #1 (see table 8) is dumped, what would be the new draft? 
60 feet 9.6 inches 
59 feet 9.3 inches 
59 feet 2.7 inches 
56 feet 10.9 inches 
2422 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new height of the center of gravity corrected for longitudinal free surface effects? 
50.29 feet 
53.55 feet 
53.92 feet 
54.24 feet 
2423 
C 
The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new metacentric height corrected for longitudinal free surface effects? 
10.07 feet 
8.80 feet 
7.59 feet 
5.45 feet 
2424 
C 
The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity? 
50.72 feet 
51.25 feet 
51.87 feet 
53.22 feet 
2425 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). According to the deck load graph, how much additional deck load could be added to the unit? 
526.87 long tons 
276.87 long tons 
241.50 long tons 
189.51 long tons 
2426 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the sounding level changed from 8 to 6 feet? 
80.00 long tons 
77.75 long tons 
83.34 long tons 
106.67 long tons 
2427 
A 
The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the sounding level changed to 6 feet and the mud weight decreased from 16 to 14 pounds/gallon? 
70.00 long tons 
84.17 long tons 
93.34 long tons 
106.67 long tons 
2428 
B 
The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the mud weight was changed from 16 to 14 pounds per gallon? 
No change 
93.34 long tons 
121.91 long tons 
135.13 long tons 
2429 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the transverse free surface correction is. 
1.25 feet 
0.82 foot 
0.34 foot 
0.18 foot 
2430 
C 
The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the longitudinal free surface correction is. 
1.25 feet 
0.90 foot 
0.83 foot 
0.34 foot 
2431 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the transverse free surface corrections is. 
1.25 feet 
0.90 foot 
0.84 foot 
0.22 foot 
2432 
D 
The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival), when an unexpected, slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the longitudinal free surface correction is. 
0.90 foot 
0.83 foot 
0.57 foot 
0.49 foot 
2433 
B 
The DEEP DRILLER is loaded as shown is Sample Load Form #4 (Drilling). What would be the change in vertical moments for Fresh Water if the entire contents of Drill Water Tank 5P are transferred to Drill Water Tank 5S? 
5,683 fttons 
2,689 fttons 
306 fttons 
000 fttons 
2434 
C 
The DEEP DRILLER is moored in 600 feet of water. The average line tension is 190 kips. What is the total vertical component of chain tension? 
55.3 long tons 
428.8 long tons 
442.4 long tons 
678.4 long tons 
2435 
B 
The DEEP DRILLER is moored in 600 feet of water. The tension on anchor line #8 is 190 kips. What is the vertical component of chain tension for that line? 
53.6 long tons 
55.3 long tons 
84.8 long tons 
442.4 long tons 
2436 
C 
The DEEP DRILLER is moored in 700 feet of water. The average tension on the mooring lines is 200 kips. What is the total vertical component of chain tension? 
60.9 long tons 
472.8 long tons 
487.2 long tons 
714.4 long tons 
2437 
B 
The DEEP DRILLER is moored in 700 feet of water. The tension on anchor line #3 is 200 kips. What is the vertical component of chain tension for that line? 
59.1 long tons 
60.9 long tons 
89.3 long tons 
487.2 long tons 
2438 
D 
The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moment 51,466 footkips, and total transverse moments 10,000 footkips. What is the transverse location of the missing load? 
36.67 feet 
0.56 foot 
0.55 foot 
36.67 feet 
2439 
D 
The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moments 51,466 foottons, and total transverse moments 10,000 foottons. What is the longitudinal location of the missing load? 
40.45 feet 
0.62 feet 
0.61 feet 
40.57 feet 
2440 
D 
The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moments 51,466 foottons, and total transverse moments 10,000 foottons. What is the weight of the missing load? 
220.7 long tons 
235.3 long tons 
253.7 long tons 
272.7 long tons 
2441 
C 
The DEEP DRILLER is on location during a storm. Windward anchor tensions begin to exceed the test tensions. To reduce tensions while minimizing offset over the well, you should. 
increase tension on the leeward chain 
pay out more chain on the windward side 
reduce tension on the leeward chains 
connect an emergency tow wire to the work boat 
2442 
D 
The DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling). Assume ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much nonliquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots? 
373 long tons 
457 long tons 
484 long tons 
524 long tons 
2443 
D 
The DEEP DRILLER is operating at a draft of 60 feet. There is 11.5 feet of drill water in each of the drill water tanks (5P and 5S). What would be the improvement in KGL if 5S is filled from 5P? 
0.56 foot 
0.49 foot 
0.18 foot 
0.08 foot 
2444 
D 
The DEEP DRILLER is operating at the maximum allowable KGT at 60 feet draft. What is the value of GMT? 
0.05 foot 
1.02 feet 
2.63 feet 
4.34 feet 
2445 
D 
The DEEP DRILLER is operating with KGL at the maximum allowable value (70 knots) at a 60 feet draft. What is the value of GML? 
0.05 foot 
1.02 feet 
1.06 feet 
2.63 feet 
2446 
C 
The DEEP DRILLER is planning to operate while loaded as shown in the Sample Load Form #3 ( Preparing to Drill). What is the margin between KGT and maximum allowable KG? 
0.66 foot 
