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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 3,601–3,700 of 5,775 · page 37 of 58

  1. #3772 A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?
  2. #3773 To determine the number of industrial personnel allowed on a mobile offshore drilling unit, you should check the __________.
  3. #3774 To determine the number of inflatable liferafts required on a mobile offshore drilling unit, you should check the __________.
  4. #3775 To determine the number of portable fire extinguishers required on a mobile offshore drilling unit, you should check the __________.
  5. #3776 On offshore drilling units, the number of industrial personnel permitted to be on board during drilling operations is found on the __________.
  6. #3777 To meet the regulations governing manning requirements outside U.S. jurisdiction, a person holding a foreign credential can serve in any of the follow...
  7. #3778 The number of certificated able seamen and lifeboatmen required on a MODU is determined by the __________.
  8. #3779 Which of the following will the certificate of inspection of a MODU specify?
  9. #3780 To have the ultimate authority for a mobile offshore drilling unit while it is under tow, a rig mover must __________.
  10. #3781 A MODU crane which has been idle for a period of over six months shall be inspected to the same standards as a __________.
  11. #3782 Annual inspection of MODU cranes shall be conducted by __________.
  12. #3783 A person on a fixed or floating platform engaged in oil exploration located 10 nautical miles from nearest land MAY discharge which of the following?
  13. #3784 A MODU required to carry an Oil Record Book must maintain the book on board for __________.
  14. #3785 You are aboard a vessel which is near a platform engaged in oil exploration. Under U.S. pollution regulations, you may NOT discharge garbage if you ar...
  15. #3786 The regulations regarding Oil Record Books do not apply to MODU's that __________.
  16. #3787 A person on a fixed or floating platform engaged in oil exploration MAY discharge food waste into the sea when the distance from the nearest land is a...
  17. #3788 Under the regulations implementing MARPOL, a mobile offshore drilling unit is required to have an International Oil Pollution Prevention (IOPP) Certif...
  18. #3789 The requirement to carry an Oil Record Book does not apply to a MODU that __________.
  19. #3790 The International Oil Pollution Prevention (IOPP) Certificate required by MARPOL is issued to U.S. flag MODUs by the __________.
  20. #3791 The International Oil Pollution Prevention Certificate on a MODU is valid for a period of __________.
  21. #3792 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?
  22. #3793 A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are...
  23. #3794 When pumping fuel between an offshore supply vessel (OSV) and a MODU, there must be direct VHF radio contact between the offshore supply vessel engine...
  24. #3795 On the COASTAL DRILLER, when afloat, oily bilge discharge should be pumped through the __________.
  25. #3796 On the COASTAL DRILLER, in case the bilge discharge is oily, the bilge water should be discharged through the __________.
  26. #3797 Beyond the area of state ownership in the U.S. outer continental shelf, the right to drill is controlled by the __________.
  27. #3798 A load line for a MODU is assigned by the __________.
  28. #3799 The maximum draft to which a MODU can legally be submerged is indicated by the __________.
  29. #3800 The document that certifies the correctness of the load line marks on a MODU is called the __________.
  30. #3801 A load line is assigned to a MODU to insure adequate stability and __________.
  31. #3802 Compliance with the terms of the load line certificate on a MODU is the responsibility of the __________.
  32. #3803 Periodic surveys to renew the load line assignment for a MODU must be made at intervals not exceeding __________.
  33. #3804 Until a change to lightweight has been approved, the weights and center of gravity locations for the changes to lightweight shown in the permanent rec...
  34. #3805 The prohibition against exceeding the load line draft may be considered temporarily not applicable when __________.
  35. #3806 The International Oil Pollution Prevention Certificate on a MODU is valid for a period of __________.
  36. #3807 The International Oil Pollution Prevention (IOPP) Certificate required by MARPOL is issued to U.S. flag MODUs by the __________.
  37. #3808 Under the regulations implementing MARPOL, a mobile offshore drilling unit is required to have an International Oil Pollution Prevention (IOPP) Certif...
  38. #3809 What provides little or no indication that a vessel is dragging anchor?
  39. #3811 You are going ahead on twin engines when you want to make a quick turn to port. Which actions will turn your boat the fastest?
  40. #3812 Which effect does speed through the water have on a vessel which is underway in shallow water?
  41. #3813 Using a scope of five, determine how many shots of chain you should put out to anchor in 5 fathoms of water?
  42. #3814 The turning circle of a vessel making a turn over 360 degrees is the path followed by the __________.
  43. #3815 You are docking an oceangoing single-screw vessel under normal circumstances with a single tug. The tug is usually used to __________.
  44. #3816 When hugging a bank in a narrow channel, you should take precautions against __________.
  45. #3819 In illustration D038DG below, what part of the anchor is indicated by the letter "J"? illustration
  46. #3820 In illustration D038DG below, which letter indicates the pea? illustration
  47. #3821 A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?
  48. #3822 You are aboard vessel "A" in a narrow channel and the pilot is approaching vessel "B" as shown in illustration D037RR below. Which of the following is... illustration
  49. #3823 You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your e...
  50. #3824 You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 700 yards and your vessel's LOA is 600 feet. If you...
  51. #3825 Which is NOT a part of an anchor?
  52. #3826 A snag or other underwater obstruction may form a __________.
  53. #3827 When anchored, increasing the scope of the anchor chain normally serves to __________.
  54. #3828 You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolate... illustration
  55. #3829 One shot of anchor chain is equal to how many feet (meters)?
  56. #3830 You are approaching a pier and intend to use the port anchor to assist in docking port side to. You would NOT use the anchor if __________.
  57. #3831 A vessel traveling down a narrow channel, especially if the draft is nearly equal to the depth of the water, may set off the nearer side. This effect...
  58. #3832 You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine...
  59. #3833 With a following sea, a vessel will tend to __________.
  60. #3834 In illustration D038DG below, which letter indicates the tripping palm? illustration
  61. #3836 You are docking a vessel. If possible, you should __________.
  62. #3837 In illustration D038DG below, what part of the anchor is indicated by the letter "G"? illustration
  63. #3838 In most cases, when a large merchant vessel enters shallow water at high speed the __________.
  64. #3839 How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
  65. #3840 Which would you NOT use to report the amount of anchor chain out? "Three shots __________."
  66. #3841 The best method of determining if a vessel is dragging anchor is to note __________.
  67. #3842 The pitch of a propeller is a measure of the __________.
  68. #3843 You are drifting in a locale where there is no current. As a rule, your vessel will lie __________.
  69. #3844 The turning circle of a vessel is the path followed by the __________.
  70. #3845 Tripping defects in anchors frequently occur in __________.
  71. #3846 When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.
  72. #3847 A predictable result of a vessel nearing a bank or edge of a channel is that the __________.
  73. #3848 When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?
  74. #3849 If your vessel is dragging her anchor in a strong wind, you should __________.
  75. #3850 When anchoring a vessel under normal conditions, which scope of chain is recommended?
  76. #3852 You are on a single-screw vessel with a left-handed propeller making no way in the water. How will your vessel react when you apply right rudder?
  77. #3853 The sprocket wheel in a windlass, used for heaving in the anchor, is called a __________.
  78. #3854 Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?
  79. #3855 An example of a modern anchor which has a stock is a(n) __________.
  80. #3856 When dropping anchor, you are stationed at the windlass brake. The most important piece(s) of gear is(are) __________.
  81. #3857 When weighing anchor in a rough sea, how would you avoid risk of damaging the bow plating?
  82. #3858 The part of a windlass which physically engages the chain during hauling or paying out is the __________.
  83. #3859 What does the proof test load of an anchor chain demonstrate?
  84. #3860 In a following sea, a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course, you should __________.
  85. #3861 What is meant by the term "broaching to"?
  86. #3862 Your vessel is proceeding along a narrow channel. The effect called bank cushion has which effect on the vessel?
  87. #3863 Anchors are prevented from running out when secured by the __________.
  88. #3864 A drift lead indicates that the vessel is dragging anchor when the line is __________.
  89. #3865 In relation to the turning circle of a ship, the term "transfer" means the distance __________.
  90. #3867 When turning a ship in restricted space with a strong wind, it is normally best to __________.
  91. #3868 You are riding to a single anchor. The vessel is yawing excessively. Which action should be taken to reduce the yawing?
  92. #3869 You are going astern (single-screw, right-handed propeller) with the anchor down at a scope of twice the depth of the water. As the anchor dredges, yo...
  93. #3870 The best method to stop a vessel from dragging anchor in a sand bottom is to __________.
  94. #3871 The primary purpose of the stud is to prevent the anchor chain from __________.
  95. #3872 You have anchored in a mud and clay bottom. The anchor appears to be dragging in a storm. What action should you take?
  96. #3873 Which statement about stopping a vessel is TRUE?
  97. #3874 A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a __________.
  98. #3875 An example of an anchor which has a stock is a __________.
  99. #3876 In order to reduce your wake in a narrow channel you should __________.
  100. #3877 You are on a single-screw vessel with a right-handed propeller, and you are making headway. When you enter shallow water, __________.

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.