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Deck · 5,775 questions

Deck General - USCG Exam Questions

Seamanship in the broad sense: marlinespike, ground tackle and anchoring, mooring and towing, weather, stability basics, and day-to-day vessel operations.

Every question below is a real U.S. Coast Guard exam question with four choices. Answer one and the correct choice is revealed instantly, with the USCG reference and illustration where the question uses one.

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All Deck General questions

Questions 4,001–4,100 of 5,775 · page 41 of 58

  1. #4192 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"; Po...
  2. #4193 Where is the keel generally located on a MODU?
  3. #4194 A MODU having continuous closely spaced transverse strength members is __________.
  4. #4195 In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by __________.
  5. #4196 In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by __________.
  6. #4197 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 a...
  7. #4198 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 ba...
  8. #4199 Bulkheads which form part of the tanks on a MODU are stiffened to withstand __________.
  9. #4200 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 i...
  10. #4201 The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C1P. Your best countermeas...
  11. #4202 A semisubmersible displacing 18,000 long tons has an LCG 2 feet forward of amidships. Bulk, weighing 400 long tons, is discharged from P-tanks located...
  12. #4203 A semisubmersible displacing 17,600 long tons has an LCG 3.2 feet forward of amidships. Bulk, weighing 400 long tons, is loaded into P-tanks located 5...
  13. #4204 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 cont...
  14. #4205 In MODU construction, a greater number of watertight bulkheads results in __________.
  15. #4206 The decks of a MODU are supported by transverse members called __________.
  16. #4207 Reinforcing frames attached to a bulkhead on a MODU are called __________.
  17. #4208 While drilling ahead with 60 foot draft, the DEEP DRILLER encounters lost circulation and loses 460 barrels of 16 pounds per gallon mud to the hole. W...
  18. #4209 While loaded as shown in the DEEP DRILLER Sample Load Form #3 (Preparing to Drill), all of the casing is discharged. What is the change in LCG?
  19. #4210 The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________.
  20. #4211 On a MODU, the keel is the primary strength member of the lower hull form in which direction?
  21. #4212 Between the side frames on a MODU, support for the deck beams is provided by __________.
  22. #4213 The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, LM = 40,301 foot-long tons, TM = 3 foot-long tons, FSML = 30,572 f...
  23. #4214 The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of __________.
  24. #4215 In MODU construction, beams are transverse girders which provide support to __________.
  25. #4216 Deck beams on a MODU are generally spaced at equal intervals and run __________.
  26. #4217 The analysis of damaged stability for the DEEP DRILLER, disregards the beneficial effects of countermeasures and __________.
  27. #4218 In MODU construction, beam brackets are triangular plates that join the deck beam to a __________.
  28. #4219 The DEEP DRILLER, at a draft of 50 feet, has a KGT of 52.12 feet and TCG of 0.5 foot to port of the longitudinal centerline. What is the list in feet?
  29. #4220 The DEEP DRILLER, while loaded as shown in the Sample Load Form #5, discharges 137.88 long tons. The resulting trim by the stern is 3 feet and list to...
  30. #4221 The deck plating on a MODU is supported primarily by deck longitudinals and deck __________.
  31. #4222 For a floating MODU, the center of buoyancy and the metacenter are in the line of action of the buoyant force __________.
  32. #4223 The jettisoning of topside weight from a MODU serves what purpose?
  33. #4224 The DEEP DRILLER, at a draft of 60 feet, has -3,600 ft-tons of transverse moments. How much ballast should be transferred between tanks 10P and 10S to...
  34. #4225 Stanchions prevent the entire deck load on a MODU from being carried by the __________.
  35. #4226 The deck loads on a MODU are distributed through the deck beams to the __________.
  36. #4227 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Pump...
  37. #4228 Movement of liquid in a tank when a drilling barge inclines causes an increase in __________.
  38. #4229 Support of MODU side plating is provided primarily by transverse __________.
  39. #4230 The DEEP DRILLER, while loaded as shown in the Sample Load Form #5, loads 275.8 long tons. The resulting trim by the stern is 3 feet and list to port...
  40. #4231 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard forward column below the waterline. Pum...
  41. #4232 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 wou...
  42. #4233 Keeping the draft of a MODU at or below the load line mark will insure that the unit has adequate __________.
  43. #4234 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the starboard aft column below the waterline....
  44. #4235 When the longitudinal strength members of a MODU are continuous and closely spaced, the vessel is __________.
  45. #4236 Lighter longitudinal stiffening frames on the MODU side plating are called __________.
  46. #4237 The DEEP DRILLER departs a fresh water port at a draft of 20 feet. What will be the draft in sea water?
  47. #4238 The heavier outboard strake of deck plating on a MODU is called the deck __________.
  48. #4239 The downflooding angle for a MODU is the minimum angle at which __________.
  49. #4240 The order of importance in addressing damage control on a MODU is __________.
  50. #4241 When the wave period and the apparent rolling period of the MODU are the same __________.
  51. #4242 On a semisubmersible MODU, reserve buoyancy is increased by the presence of void spaces above the waterline in the __________.
  52. #4243 On a MODU, the deck stringer is the outboardmost deck __________.
  53. #4244 Compared to internal structural plating, the exterior hull plating on a MODU is usually __________.
  54. #4245 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...
  55. #4246 A semisubmersible which flops between forward and aft angles of trim is likely to have __________.
  56. #4247 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 discharge...
  57. #4248 In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for __________.
  58. #4249 Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible MODU increase the unit's __________.
  59. #4250 The stability of a semisubmersible MODU would be seriously reduced if flooding occurred in the __________.
  60. #4251 While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the port side. Because the tank sounding l...
  61. #4252 While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the port side. Because the sounding level...
  62. #4253 The DEEP DRILLER, at a draft of 19 feet, has a KGL of 59.91 feet and an LCG of 1.57 feet. What is the trim angle?
  63. #4254 For a MODU with longitudinal inclination, an increase in GML causes __________.
  64. #4255 The free surface effects of a partially-full tank in a floating MODU increase with the __________.
  65. #4256 The DEEP DRILLER at a draft of 58.0 feet discharges 1,792.44 long tons of ballast. What is the new draft?
  66. #4257 Structural stress on a MODU can be reduced by __________.
  67. #4258 Structural stress levels in a MODU are the sum of loading stresses and stresses due to __________.
  68. #4259 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Amon...
  69. #4260 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. Wha...
  70. #4261 The mean draft of a MODU is the draft __________.
  71. #4262 The true mean draft of a MODU is the draft __________.
  72. #4263 The DEEP DRILLER at a draft of 60.0 feet discharges 68.94 long tons of ballast. What is the new draft?
  73. #4264 The DEEP DRILLER at a draft of 58.0 feet loads 68.94 long tons of ballast. What is the new draft?
  74. #4265 The DEEP DRILLER at survival draft loads 2,068.1 long tons of ballast. What is the new draft?
  75. #4266 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...
  76. #4267 The DEEP DRILLER, at a mean draft of 60 feet, has a two-foot trim by the head and a three foot list to starboard. What is the draft at the port aft dr...
  77. #4268 What is the displacement of the DEEP DRILLER with a draft of 19.5 feet in fresh water?
  78. #4269 The DEEP DRILLER, while loaded as shown in the Sample Load #5, discharges 275.8 long tons. The resulting trim by the stern is 3 feet and list to port...
  79. #4270 The DEEP DRILLER, while loaded as shown in the Sample Load Form #5 (Survival) loads an additional 137.88 long tons. The resulting trim by the stern is...
  80. #4271 The DEEP DRILLER, at a mean draft of 45 feet, has a three-foot trim by the stern and a two-foot list to port. What is the draft at the starboard forwa...
  81. #4272 While drilling ahead with 60 foot draft, the DEEP DRILLER encounters lost circulation and loses 900 Bbls. of 16 pounds per gallon mud to the hole. How...
  82. #4273 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...
  83. #4274 How much non-liquid deck load can the DEEP DRILLER, loaded as shown in the sample Load Form #4 (Drilling), accept if the weight is placed at a VCG of...
  84. #4275 Adding the FSCL to KG yields __________.
  85. #4276 While the DEEP DRILLER is loaded as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the starboard side. Because the sounding l...
  86. #4277 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...
  87. #4278 When a MODU is inclined at a small angle, the center of buoyancy will __________.
  88. #4279 Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by __________.
  89. #4280 Control of flooding on a MODU should be addressed __________.
  90. #4281 While loaded as shown in the Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What would be the new draft?
  91. #4282 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...
  92. #4283 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...
  93. #4284 The DEEP DRILLER, loaded as shown in Sample Load Form #2 (Ballast to Survival), suffers major damage which results in flooding in tank 1S. Your best c...
  94. #4285 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"; P...
  95. #4286 With no environmental forces on the DEEP DRILLER, the average of the forward drafts is 61.0 feet, and the average of the aft drafts is 59.0 feet. KGL...
  96. #4287 For a MODU with trim, an increase in GMT will cause the inclination to __________.
  97. #4288 A MODU with the TCG off the longitudinal centerline inclines to an angle of __________.
  98. #4289 In the DEEP DRILLER, LCG is obtained from the sum of the longitudinal moments by __________.
  99. #4290 A semisubmersible with a positive GM, and TCG located starboard of the centerline, inclines to an angle of __________.
  100. #4291 A semisubmersible displacing 700,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs __________.

Deck General questions: what to expect

Q How many Deck General questions are in the Deck pool?

There are 5,775 Deck General questions on this site, every one released by the U.S. Coast Guard or taken from the National Maritime Center's sample examinations, with its correct answer. The exam draws its Deck General module from the same pool.

Q What score do I need to pass the Deck General module?

Most USCG exam modules, including Deck General, require 70 percent to pass. Rules of the Road modules require 90 percent.

Q Are these the real USCG Deck General exam questions?

Yes. They are the published U.S. Coast Guard questions, matched to the National Maritime Center's 2026 sample examinations. Answer any question to see the correct choice, the USCG reference and the illustration where the question uses one.

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About the Deck question pool

The Deck pool holds the current U.S. Coast Guard questions for every deck credential, from Able Seaman and the OUPV six-pack up to unlimited Master. Each question is multiple choice with four options, graded instantly, with the USCG reference shown where one exists.