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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 5,501–5,600 of 5,775 · page 56 of 58

  1. #5873 What effect does shallow water have on a vessel's stopping distance?
  2. #5874 When are the conditions BEST for crossing a rough bar?
  3. #5875 What is the main advantage and chief characteristic of a Steulchen boom?
  4. #5876 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...
  5. #5877 What is NOT a basic shiphandling rule for navigating in ice concentrations on the Great Lakes?
  6. #5878 Who issues the certificate of loading required by each vessel carrying grain in bulk?
  7. #5879 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...
  8. #5880 What do the York-Antwerp Rules relate to?
  9. #5881 You are carrying cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multiple-product tankship. Which of the following statements is TR...
  10. #5882 When anchoring large surface vessels without the aid of tugs, your maximum speed over the ground should not exceed how many knots?
  11. #5883 You are on a 120,000 DWT loaded bulk carrier. What is a safe docking speed when approaching a berth?
  12. #5884 The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?
  13. #5885 When is the phenomenon known as a "seiche" most likely to occur on Lake Erie?
  14. #5886 In the illustration, what does the single line located directly above the diamond indicate? illustration
  15. #5887 Which statement is FALSE with regard to the Great Lakes Light List?
  16. #5888 Where on a vessel are the load line markings shown in the illustration inscribed? illustration
  17. #5889 Which is the BEST way for a twin-screw vessel to clear the inboard propeller and maneuver off a pier?
  18. #5890 Cargo vessels being navigated, and fitted with emergency lighting and power systems, shall have their emergency systems tested at which interval?
  19. #5891 In the illustration, what is the space indicated by the letter "J" known as? illustration
  20. #5892 On stud-link anchor chain, how much does the addition of the stud increase the strength of the link?
  21. #5893 After casting off moorings at a mooring buoy in calm weather, which action should you take?
  22. #5894 In an electro-hydraulic steering system, rudder movement is maintained in close synchronization with the steering wheel position by means of which ite...
  23. #5895 Which statement about the forecastle card is TRUE?
  24. #5896 Which statement is TRUE to back a right-handed, single-screw vessel in a straight line?
  25. #5897 A vessel arrives in a foreign port and the Master is informed that the vessel is being sold to foreign interests. The new owners request that the crew...
  26. #5898 In the illustration, what does symbol "2" represent? illustration
  27. #5899 In the illustration, which letter indicates the pea? illustration
  28. #5900 You are using the anchor to steady the bow while maneuvering. When do you know you have the proper scope of anchor cable out?
  29. #5901 What is another name for the garboard strake?
  30. #5902 You are the Master of a single-screw vessel. You are docking at a port which has no tugs available. You decide to drop the offshore anchor to help in...
  31. #5903 What does the gross tonnage of a vessel indicate?
  32. #5904 The space containing the cylinders for the carbon dioxide (CO2) fire extinguishing system must be designed to preclude an anticipated ambient temperat...
  33. #5905 Your vessel must moor port side to a berth limited by vessels ahead and astern using a single tug. You are stemming a slight current and there is a li...
  34. #5906 In terms of vessel manning, which defines a watch?
  35. #5907 Your vessel is docked port side to the pier with the bow in. In order to maintain the vessel's schedule, you will have to get underway without the use...
  36. #5908 When is a vessel “tide rode”?
  37. #5909 What is a serving mallet used for?
  38. #5910 You are preparing to load fuel oil on a vessel of 300 gross tons constructed after June 30, 1974. Before loading, which statement is TRUE concerning f...
  39. #5911 The moisture equilibrium chart can be used to determine which item?
  40. #5912 Which action should you take FIRST when preparing to hoist the anchor?
  41. #5913 You are proceeding at a slow speed with your starboard side near the right bank of a channel. If your vessel suddenly sheers toward the opposite bank,...
  42. #5914 You are using tackle number 12 as shown in the illustration to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle... illustration
  43. #5915 Which term describes the force exerted by a propeller which tends to throw the stern right or left?
  44. #5916 Squat is a natural phenomenon as a ship moves through a restricted channel due to what basic principle?
  45. #5917 The galley on your cargo vessel has an area of 2,500 square feet. Which of the following would fulfill the minimum requirements for fire protection?
  46. #5918 Which is the proper way to correct a mistake in the logbook?
  47. #5919 Your vessel is moored portside to and you are taking over the Deck Watch. Which item has the most impact on the safety of the vessel and crew?
  48. #5920 As a general guide, under which condition should hygroscopic cargoes be ventilated?
  49. #5921 Before loading bulk grain, why should the bilge wells be covered with burlap?
  50. #5922 During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacenter. Which is the most prudent ac...
  51. #5923 Which term is given to the wooden planking that protects the tank top from cargo loading?
  52. #5924 A vessel operating on the Great Lakes, and whose position is south of an eastward-moving storm center, would experience which condition?
  53. #5925 Before welding in a tank barge that has carried petroleum products, who must certify the tank to be safe for hot work?
  54. #5926 When is the effect of wind on exposed areas of the vessel most noticeable?
  55. #5927 To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, how must the cargo hoses be secured?
  56. #5928 A Danforth lightweight anchor usually skips along and does NOT hold well in which bottom?
  57. #5929 Which mooring line has the most elastic elongation?
  58. #5930 In accordance with Coast Guard Regulations, which statement is TRUE with regards to Coast Guard approved buoyant work vests?
  59. #5931 Which should you check before letting the anchor go?
  60. #5932 What is the name of a small light tackle with blocks of steel or wood that is used for miscellaneous small jobs?
  61. #5933 Which item shall the Master insure regarding the Emergency Position Indicating Radio Beacon (EPIRB)?
  62. #5934 When patching holes in the hull, how can pillows, bedding, and other soft materials be used?
  63. #5935 What are the required number and type of hand portable fire extinguishers for a galley having an area of 3,500 square feet?
  64. #5936 Which is TRUE concerning a snatch block?
  65. #5937 In the illustration, which letter indicates the garboard strake? illustration
  66. #5938 If the metacentric height is small, which is TRUE of the vessel?
  67. #5939 Sudden unloading of a diesel engine can cause which to occur?
  68. #5940 Safety shackles are fitted with which items?
  69. #5941 In ship construction, which is TRUE concerning frame spacing?
  70. #5942 When must an inflatable liferaft that has been repacked be overhauled and inspected at a U.S. Coast Guard approved service facility?
  71. #5943 By convention, the Earth's south magnetic pole is which color?
  72. #5944 Which is TRUE concerning compass error?
  73. #5945 Which action must be taken annually concerning inflatable liferafts carried on passenger vessels?
  74. #5946 Which term defines the strainer at the bottom of a bilge suction pipe to prevent clogging?
  75. #5947 What is the name of the metal, teardrop-shaped object sometimes used within an eyesplice?
  76. #5948 According to Small Passenger Vessels Regulations, a vessel of less than 100 gross registered tons must be inspected by the Coast Guard when they carry...
  77. #5949 On board small passenger vessels, which is the minimum fill pipe size for a gasoline or diesel tank?
  78. #5950 Individual wires, used in systems greater than 50 volts, shall meet which requirement?
  79. #5951 What does the process of faking down a line mean?
  80. #5952 In the illustration, what is the mooring line labeled "F" called? illustration
  81. #5953 While anchoring your vessel, when is the best time to let go the anchor?
  82. #5954 If you shorten the scope of anchor cable, what is the effect of your anchor's holding power?
  83. #5955 What is a major consideration when determining the scope of anchor line to pay out when anchoring a small boat?
  84. #5956 Which is the proper name given to a block that can be opened at the hook or shackle end to receive a bight of the line?
  85. #5957 What causes variation in a compass?
  86. #5958 What does the lubber's line on a magnetic compass indicate?
  87. #5959 What is the proper name given to a deck fitting, used to secure line or wire rope, consisting of a single body with two horizontally protruding horns?
  88. #5960 Which term is given to the fittings used to secure a watertight door?
  89. #5961 When a vessel's LCG is aft of her LCB, how will the vessel respond?
  90. #5962 What is the danger to personnel associated with using carbon dioxide in an enclosed space?
  91. #5963 Which information is contained on a Certificate of Inspection issued to a small passenger vessel?
  92. #5964 Which is a requirement of all inlet and discharge fittings below the waterline? (small passenger vessel regulations)
  93. #5965 Where are gasoline fuel tank vents required to terminate?
  94. #5966 According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent which condition from occurr...
  95. #5967 What is the primary reason for starting motors, generators, and other spark producing devices to be mounted as high above the bilges as possible?
  96. #5968 Which is TRUE of outlets in gasoline fuel lines of your small vessel?
  97. #5969 Which is an advantage of a dry chemical over a carbon dioxide fire extinguisher?
  98. #5970 Uninspected motor vessels constructed after 25 April 1940, and which use fuel with a flash point of 110°F (43°C), or less, shall have at least what nu...
  99. #5971 Why do spaces containing batteries require good ventilation?
  100. #5972 What type of knot in the illustration is indicated by the Letter "N"? 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.