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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 5,401–5,500 of 5,775 · page 55 of 58

  1. #5773 An icebreaker assisting a vessel through an ice field displays a visual signal consisting of the code letter "S" (Sierra). What does this signal indic...
  2. #5774 What is the purpose of chafing gear?
  3. #5775 What is an enclosure which will withstand ignition of a flammable gas, and which will prevent the transmission of any flame able to ignite a flammable...
  4. #5776 Which is the proper procedure when taking a length of new manila rope from the coil?
  5. #5777 When anchoring, good practice requires 5 to 7 fathoms of chain for each fathom of depth. Which is TRUE when anchoring in deep water?
  6. #5778 Which term defines the process of dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100?
  7. #5779 Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?
  8. #5780 Which is an example of a modern anchor which has a stock?
  9. #5781 Which part of a windlass physically engages the chain during hauling or paying out?
  10. #5782 A heated bulkhead has which effect on a hygroscopic commodity?
  11. #5783 The tankship Northland is loaded as shown in the table. Use the salmon-colored pages in the Stability Data Reference to determine the sagging numeral....
  12. #5784 What is the minimum number of bolts required in a temporarily connected standard ANSI (American National Standards Institute) 8-bolt flange for the tr...
  13. #5785 As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie in which orientation?
  14. #5786 Which is TRUE of a pelican hook?
  15. #5787 Which statement is TRUE concerning the placard entitled "Discharge of Oil Prohibited"?
  16. #5788 Which is a common occurrence when a vessel is running into shallow water?
  17. #5789 At what distance from the water's edge must you employ an accommodation ladder or other equally safe and convenient means for a pilot?
  18. #5790 Who is responsible for the revision of muster lists?
  19. #5791 Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit. Which crewmember(s) require(s) this permit?
  20. #5792 A clause in the charter party requires a vessel's owner to pay dispatch money when which of the conditions exists?
  21. #5793 How should a look-out, in the merchant service, report sightings?
  22. #5794 Generally speaking, which direction do the more destructive storms occurring on the Great Lakes usually come from?
  23. #5795 A vessel operating on the Great Lakes, and whose position is south of an approaching eastward-moving storm center, would NOT experience which conditio...
  24. #5796 You are towing a barge, exempted from the normal Great Lakes load line requirements, on the Burns Harbor route. On the Very High Frequency radio, you...
  25. #5797 On the Great Lakes, which defines the term "controlling depth"?
  26. #5798 You discharge food waste overboard at sea. You have recorded your vessel's position as required, what other items must be included in the report?
  27. #5799 Which is the proper term given to a stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle?
  28. #5800 The tankship Northland is loaded as shown in the table. Use the salmon-colored pages in the Stability Data Reference Book to determine the sagging num...
  29. #5801 Who has the authority to grant an alternate procedure for oil transfer operations?
  30. #5802 A flame screen __________.
  31. #5803 As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie in which orientation?
  32. #5804 What should you inspect to be sure that it is safe to go aloft in a bosun's chair?
  33. #5805 In writing up the logbook at the end of your watch, you make an error in writing an entry. What is the proper means of correcting this error?
  34. #5806 Which document is NOT required by law to be posted aboard a vessel?
  35. #5807 Your vessel is port side to a pier with a spring line led aft from the bow. How will the vessel respond in calm weather, with the engines ahead and ha...
  36. #5808 When bunkering at anchorage which of the following signals must be displayed?
  37. #5809 What is NOT a problem when carrying coal?
  38. #5810 Which statement about a tunnel bow thruster is TRUE?
  39. #5811 Nonflammable gases should have what kind of label?
  40. #5812 Which of the following is a hook that will release quickly?
  41. #5813 Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. Which causes this force?
  42. #5814 Which is a precaution you should take before bunkering?
  43. #5815 What does the helm command "meet her" mean?
  44. #5816 Which describes how flanking rudders affect a vessel's heading when going astern?
  45. #5817 What is NOT accepted as the required shipping papers on a manned and loaded tank barge?
  46. #5818 Prior to handling Class 1 explosive materials, which signal(s) is/are required to be displayed by the vessel?
  47. #5819 Which is a common occurrence when a vessel is running into shallow water?
  48. #5820 When shall an Operator of an Uninspected Passenger Vessel be required to produce his/her MMC?
  49. #5821 After casting off moorings at a mooring buoy in calm weather, which action should you take?
  50. #5822 What is one of the functions of the stud in the anchor chain?
  51. #5823 You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters, fuel...
  52. #5824 If a tug equipped with flanking rudders is to be turned in a confined circle, when going astern, which is the best action to take to make the stern mo...
  53. #5825 In accordance with regulations, ethylene oxide shall be loaded below what temperature?
  54. #5826 How should manila lines in which the strands are right-hand laid be coiled?
  55. #5827 You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/...
  56. #5828 What is the Reid vapor pressure of allyl chloride?
  57. #5829 When observed, which item indicates a snag or other underwater obstruction in a river?
  58. #5830 Which item describes the path of the turning circle of a vessel making a turn of over 360 degrees?
  59. #5831 You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?
  60. #5832 Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?
  61. #5833 Prior to being able to sail, each vessel that carries grain in bulk must have a certificate of loading. Which organization issues this certificate?
  62. #5834 Which is NOT a part of an anchor?
  63. #5835 Your vessel has 3 lifeboats on each side. What is the designation number for the middle boat on the starboard side?
  64. #5836 What is a sheave?
  65. #5837 Which factor is MOST important in preventing sweat damage within a cargo hold?
  66. #5838 In accordance with U.S. regulations which of the following is the proper label name for a class 4.3 substance?
  67. #5839 Which spaces are required to be segregated from cargo tanks carrying grades A, B, C, or D cargoes?
  68. #5840 Which item is designed to show the position of the Rudder on the bridge?
  69. #5841 When using two tugs to assist in mooring a large, deeply laden ship, where is the most powerful tug usually placed?
  70. #5842 Which defines the process of cargoes segregation?
  71. #5843 Which is an example of an anchor which has a stock?
  72. #5844 You are a watchstanding mate and have come to the bridge to relieve the watch while underway at sea. Which event(s) will require the transfer of comma...
  73. #5845 What can be done to prevent small oil spills on deck from going overboard?
  74. #5846 You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
  75. #5847 Which space(s) on your cargo vessel must have a fire detection system?
  76. #5848 Unless extremely flexible wire rope is used, the sheave diameter should always be as large as possible. Which is the Coast Guard rule for correct shea...
  77. #5849 Which statement about the ventilation of bulk coal is TRUE?
  78. #5850 What affect does shallow water have on a vessel's stopping distance?
  79. #5851 What is the Vapor pressure of ethylene oxide at 46°C?
  80. #5852 Which condition must be met during a stability test on an inspected vessel?
  81. #5853 Your vessel is loading Class 1G explosives. Which of the following statements is true concerning bunker operations?
  82. #5854 How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
  83. #5855 What is meant by the term "topping the boom"?
  84. #5856 The tankship Northland is loaded as shown in the table. Use the salmon-colored pages in the Stability Data Reference Book to determine the sagging num...
  85. #5857 In relation to the turning circle of a ship, which describes the term "advance"?
  86. #5858 What is a wet cargo?
  87. #5859 You are operating a non-ocean-going vessel, how much of the accumulated oily waste must you be able to retain on board?
  88. #5860 The number of able seafarer required on board a vessel can be found in which document?
  89. #5861 You are docking a vessel. Which statement is TRUE?
  90. #5862 What does item "D" refer to in the illustration of a 30-ton pedestal crane? illustration
  91. #5863 Which describes nearly half of all storms that enter the Great Lakes Basin during the period from October through May?
  92. #5864 Which expresses the term leeway?
  93. #5865 Which statement concerning storm surges on the Great Lakes is TRUE?
  94. #5866 Why is a VLCC (100,000 DWT+) with a 30,000 Shaft Horsepower Steam Turbine slow to respond to engine movements, and has less stopping power than normal...
  95. #5867 How are nautical charts published by the Canadian Hydrographic service which are referenced in the United States Coast Pilot identified?
  96. #5868 On the Great Lakes, which can cause short-term fluctuations in water levels?
  97. #5869 Which is the vertical reference for all water levels and benchmarks on the Great Lakes - St. Lawrence River System?
  98. #5870 Which are the two points that act together to trim a ship?
  99. #5871 Which indicates the holding capability of an anchor?
  100. #5872 What does item "D" refer to in the illustration of a 30-ton pedestal crane? illustration

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.