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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 4,401–4,500 of 5,775 · page 45 of 58

  1. #4600 The COASTAL DRILLER is in transit loaded as shown in the Sample Load Form Number 1 (Rig Move). What would be the new KGT if, during the move, 170.9 ki...
  2. #4602 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 tan...
  3. #4603 The height of the metacenter above the keel will vary depending on the __________.
  4. #4604 If the metacentric height is large, a floating MODU will __________.
  5. #4605 If the metacentric height is small, a floating MODU will __________.
  6. #4606 The natural rolling period of a drilling barge increases when __________.
  7. #4607 The free surface corrections depend upon the dimensions of the surface of the free liquids and the __________.
  8. #4608 A slow and easy motion of a MODU in a seaway is an indication of a __________.
  9. #4609 On a semisubmersible drilling unit, increasing riser tension reduces __________.
  10. #4610 In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by __________.
  11. #4611 On the DEEP DRILLER, to pump bilge water out of the starboard pump room using both bilge pumps, it is necessary to open valves __________.
  12. #4612 To pump bilge water out of the port pump room on the DEEP DRILLER, using the number 2 bilge pump, open port-side valve __________.
  13. #4613 Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and __________.
  14. #4614 On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is __________.
  15. #4615 While in transit, the DEEP DRILLER suffers flooding in the starboard pump room. Both starboard bilge pumps are inadequate to dewater the pump room. Yo...
  16. #4616 While in transit, the DEEP DRILLER suffers flooding in the port pump room. Both port bilge pumps are inadequate to dewater the pump room. You may supp...
  17. #4617 What pump may be used to supplement the bilge pump on the DEEP DRILLER?
  18. #4618 On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and __________.
  19. #4619 Aboard the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 26 and __________.
  20. #4620 Among the valves that must be opened on the DEEP DRILLER to pump bilge water out of the port pump room using both bilge pumps is valve __________.
  21. #4621 Among the valves that must be opened on the DEEP DRILLER to pump bilge water out of the port pump room using the number 1 bilge pump is valve ________...
  22. #4622 The DEEP DRILLER suffers minor flooding of the starboard pump room while in transit. If both starboard bilge pumps fail to dewater the pump room, you...
  23. #4623 The DEEP DRILLER suffers minor flooding of the port pump room while in transit. If both port bilge pumps fail to dewater the pump room, you may ______...
  24. #4624 How many independent bilge systems is the COASTAL DRILLER equipped with?
  25. #4625 On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by __________.
  26. #4626 On the COASTAL DRILLER, in case one of the two bilge pits is flooded, the other can operate through a(n)__________.
  27. #4627 On the COASTAL DRILLER, the start/stop station for the bilge pumps is located __________.
  28. #4628 On the COASTAL DRILLER, the bilge discharge is normally through the __________.
  29. #4629 On the COASTAL DRILLER, except when pumping from a tank, the bilge system valves should be __________.
  30. #4630 If a MODU under tow starts jumping on its tow line, the most appropriate action to alleviate the condition is to __________.
  31. #4631 In selecting a tug for moving a MODU, consideration should be given to its __________.
  32. #4632 A semisubmersible rig under tow should be ballasted down if __________.
  33. #4633 The type of shackle used in making up tow lines to a MODU should be __________.
  34. #4634 When a semisubmersible rig under tow veers from side to side on its tow line, the best way of controlling the action is to __________.
  35. #4635 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 ______...
  36. #4636 When a semisubmersible rig under tow experiences pounding on the forward transverse brace, the surest way to alleviate the condition would be to _____...
  37. #4637 When cargo aboard a jack-up in transit becomes adrift, the tow vessel should be asked to __________.
  38. #4638 During a long ocean tow of a jack-up the clearance in the upper guide should be reduced to zero to restrain the leg and eliminate the impact loads fro...
  39. #4639 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 ti...
  40. #4640 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 ti...
  41. #4641 The motions of the COASTAL DRILLER during a normal transit when wind speeds are less than 70 knots are limited by __________.
  42. #4642 Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on ________...
  43. #4643 After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. To keep adequate stabil...
  44. #4644 The DEEP DRILLER is loaded as shown in the Sample Load Form Number 5 (Survival) when an unexpected slowly increasing starboard list and bow down trim...
  45. #4645 After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. Raising the flooded leg...
  46. #4646 While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and for...
  47. #4647 After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. The list caused by a fl...
  48. #4648 After jacking down your liftboat you have an unexpected list. You find that the only cause of this list must be a flooded leg. Your next course of act...
  49. #4649 While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing port and forward...
  50. #4650 If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST __________.
  51. #4651 While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing port and aft incl...
  52. #4652 While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and aft...
  53. #4653 During counterflooding to correct a severe list or trim aggravated by an off-center load, a MODU suddenly takes a list or trim to the opposite side. Y...
  54. #4654 While drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers a sudden unexpected starboard and aft inclination. Th...
  55. #4655 Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while on location is __________.
  56. #4656 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 l...
  57. #4657 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...
  58. #4658 While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected forward inclination. The wind and waves...
  59. #4659 While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and aft. Stron...
  60. #4660 While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers a sudden unexpected inclination to starboard and forward. S...
  61. #4661 When extracting the legs from the soil, the hull of the COASTAL DRILLER may be pulled down until the draft is __________.
  62. #4662 On the COASTAL DRILLER, a noticeable increase in the level indicator while extracting the legs from the soil indicates __________.
  63. #4663 Among the possible causes of unexpected constant inclination of the floating COASTAL DRILLER is __________.
  64. #4664 Among the possible causes of unexpected rapid increasing inclination of the floating COASTAL DRILLER is __________.
  65. #4665 The COASTAL DRILLER is operating with a wave clearance of about 20 feet. The out-of-level alarm sounds and the unit is found to be inclined 0.5 degree...
  66. #4666 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...
  67. #4698 A ketch-rigged sailing vessel is sailing to windward with the wind about 50° on the port bow. All the sails are set and drawing properly. Which st...
  68. #4706 As look-out, you spot an object 45° off your port bow. You should report the object as __________.
  69. #4707 A vessel spotted at 45° relative can be reported as __________.
  70. #4709 The IMO requires Cargo Securing Manuals on certain vessels. Which of the following are required to maintain this manual onboard?
  71. #4710 A vessel transporting hazardous substances is required to have a Dangerous Cargo Manifest. Which organization requires this document?
  72. #4711 In accordance with U.S. regulations which of the following is the proper label name for a class 6.2 substance?
  73. #4712 Using the available references, if the dry bulb temperature is 85°and the wet bulb temperature is 73°, what is the relative humidity in a carg...
  74. #4714 Cargo vessels are required to maintain a Cargo Securing Manual onboard. What information should this manual provide?
  75. #4715 The flash point of a product is 100°F. What can happen if it is heated above 110°F?
  76. #4716 In accordance with U.S. regulations which signal is required to be displayed during hours of darkness if a vessel is handling Class 1 explosive materi...
  77. #4717 You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stress...
  78. #4720 You are on a US vessel loading explosives for the military and will be sailing foreign. Who is required to supervise the loading and stowage of the ca...
  79. #4721 Your vessel is loading Class 1G explosives. Which of the following statements is true concerning bunker operations?
  80. #4723 Prior to handling Class 1 explosive materials, which signal(s) is/are required to be displayed by the vessel?
  81. #4725 Using the available references, if the dry bulb temperature is 80°F (27°C) and the wet bulb temperature is 70°F (21°C), what is the re...
  82. #4727 Using the available references, if the dry bulb temperature is 68°and the wet bulb temperature is 65°, what is the relative humidity in a carg...
  83. #4733 In accordance with U.S. regulations which of the following is the proper label name for a class 5.2 substance?
  84. #4739 Using the available references, if the dry bulb temperature is 84° and the wet bulb temperature is 81°, what is the relative humidity in a car...
  85. #4741 Your vessel is handling Class 1 explosive material. In accordance with U.S. regulations which of the following is true?
  86. #4744 You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size o...
  87. #4745 You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stress...
  88. #4748 Using the available references, if the dry bulb temperature is 92° and the wet bulb temperature is 85°, what is the relative humidity in a car...
  89. #4749 You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size o...
  90. #4750 Using the available references determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (...
  91. #4751 You are lifting a one-ton weight with a swinging boom. When comparing the stresses in the rig with the boom at 20° to the horizontal to the stress...
  92. #4752 The amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90° would be __________.
  93. #4753 Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
  94. #4754 Using the available references, if the dry bulb temperature is 98°and the wet bulb temperature is 87°, what is the relative humidity in a carg...
  95. #4755 Using the available references, if the dry bulb temperature is 58° and the wet bulb temperature is 53°, what is the relative humidity in a car...
  96. #4756 Using the available references, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humid...
  97. #4757 Using the available references, if the dry bulb temperature is 77° and the wet bulb temperature is 69°, what is the relative humidity in a car...
  98. #4758 Using the available references, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a car...
  99. #4759 Using the available references, if the dry bulb temperature is 91° and the wet bulb temperature is 87°, what is the relative humidity in a car...
  100. #4760 Using the available references, if the dry bulb temperature is 76° and the wet bulb temperature is 58°, what is the relative humidity in a car...

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.