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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 201–300 of 5,775 · page 3 of 58

  1. #240 You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?
  2. #241 Before a Master relieves a Pilot of the conn, the __________.
  3. #242 You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure...
  4. #243 You are on watch while your vessel is entering port with a pilot conning. The pilot gave a steering command to the helmsman who failed to acknowledge...
  5. #244 You are on watch while your vessel is entering port with a pilot conning. The pilot gives a steering command to the helmsman who fails to acknowledge...
  6. #245 You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put th...
  7. #246 While you are on watch entering port, the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should...
  8. #247 What is the maximum number of crew members that may be berthed in one room aboard your cargo vessel?
  9. #248 What does "level-luffing" accomplish during crane operations?
  10. #250 A half-height container is used __________.
  11. #251 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 stresses w...
  12. #252 You are transporting dangerous cargo on your vessel. The regulations require you to __________.
  13. #253 The boom indicator tells the operator at what angle the boom is compared to the __________.
  14. #254 What is the meaning of the term tare weight?
  15. #255 Which of the following statement(s) is/are TRUE regarding a twin pedestal crane set?
  16. #256 Which of the following statement(s) is/are TRUE regarding twin pedestal cranes?
  17. #257 You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stow...
  18. #258 Two falls are supporting a 1.5 ton load. The port fall is at an angle of 40° from the vertical. The starboard fall is at an angle of 70° from the vert...
  19. #259 Which of the following are considered to be "road vehicles" that can be carried on Ro-Ro vessels?
  20. #261 The securing of passenger cars on a Ro-Ro vessel requires __________.
  21. #262 How should you signal the crane operator to move slowly?
  22. #263 What is a wet cargo?
  23. #264 The label required on containers carrying barium oxide in an international shipment must read __________.
  24. #265 The signal man assisting the crane operator first taps the top of his head with his fist and then proceeds to use regular signals. This is the signal...
  25. #266 What is NOT required as special safety equipment on a tankship carrying hazardous cargoes in bulk?
  26. #267 How should you signal the crane operator to lower the boom and raise the load?
  27. #268 What does item "D" refer to in illustration D045DG of a 30-ton pedestal crane? illustration
  28. #269 Which ending is NOT acceptable in a wire rope that is free to rotate when hoisting?
  29. #270 The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.
  30. #271 What is classified as a combustible liquid?
  31. #272 You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 72,000. How many tons of the wool can be...
  32. #273 According to the chemical data guide, what type of odor would you smell if a leak occurred while loading diethylenetriamine?
  33. #274 Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
  34. #275 The heel block is located __________.
  35. #276 You are ordering ship's stores. Which statement is TRUE?
  36. #277 The securing systems for containers were developed to prevent container movement during which ship motion?
  37. #278 Your vessel has 3 lifeboats on each side. The middle boat on the starboard side is designated as boat number _________.
  38. #280 Which operating procedure(s) should be adhered to on a Ro-Ro vessel?
  39. #281 Which fire extinguishing agent can NOT be used on an ethylenediamine?
  40. #282 What are tank vessels handling grade B liquids required to have their cargo pumps separated from all sources of vapor ignition by?
  41. #283 Which term describes goods having a stowage factor below 40?
  42. #284 Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.
  43. #285 Which statement concerning sweat damage in containers is TRUE?
  44. #286 Electric cargo winches have an overload safety device which normally cuts the current to the winch motor __________.
  45. #287 What is NOT a securing system used on a containership?
  46. #288 Who certifies the safe working load of cargo booms on a vessel?
  47. #289 A heated bulkhead has the effect on a hygroscopic commodity of __________.
  48. #290 Which of the following lashing materials would be used in securing heavy vehicles aboard Ro-Ro vessels?
  49. #291 A claim for cargo damages may be held against the ship owner if such damage is the result of failure of the ship's officers to __________.
  50. #292 You are ordering ships' stores that are NOT consumer commodities. Which statement is TRUE?
  51. #293 While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.
  52. #295 Regulations require that prior to departure on a three-day voyage, the steering gear, whistle, and communications system between the bridge and engine...
  53. #296 The lower hold of your vessel has a bale capacity of 60,000 cubic feet. How many tons of cotton in bales having a stowage factor of 85 can be stowed i...
  54. #298 To what chemical family does ethylene oxide belong?
  55. #299 According to the Chemical Data Guide, 1,3 - pentadiene possesses which characteristic?
  56. #301 Securing cargo by running timbers from an upper support down to the cargo, either vertically or at an angle, is called __________.
  57. #302 What is another name for the boom of a crane?
  58. #304 Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
  59. #305 If a cargo of kerosene were considered "too lean" to explode, then it must be __________.
  60. #307 What is the minimum number of fire pumps required on a cargo vessel of 2,000 GT?
  61. #309 Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?
  62. #310 According to the Chemical Data Guide, piperylene possesses which characteristic?
  63. #311 Vinyl chloride reacts dangerously with __________.
  64. #312 Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo when the damage arises from __________.
  65. #313 When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should b...
  66. #314 You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.
  67. #315 Flammable liquids should have what kind of label?
  68. #317 What is an example of a fundamental objective of cargo stowage?
  69. #318 Which piece(s) of equipment is/are required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
  70. #319 Which statement about the hospital space on a cargo ship is TRUE?
  71. #321 What does it mean to "shore up" the main deck for the stowage of deck cargo?
  72. #322 How many fire axes should be carried by a 700 GT cargo vessel, navigating the Great Lakes?
  73. #323 You are loading a cargo of cases into a hold which has a bale cubic of 44,000. The cargo consists of cases measuring 4 ft by 2 ft by 1.5 ft. Estimated...
  74. #324 During which condition should the operator of a pedestal crane shutdown operations?
  75. #325 What are the health hazard ratings for a product of triethylbenzene?
  76. #326 The number of pounds of carbon dioxide required for each cargo space on a cargo vessel is equal to __________.
  77. #327 In areas where CO2 piping is installed, such piping may not be used for any other purpose EXCEPT __________.
  78. #328 Cottonseed oil is classed as a __________.
  79. #329 You must load as much of a large shipment of case goods as possible into a hold which has 24,400 cubic feet of space. Each case measures 2 feet by 2 f...
  80. #331 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 __________.
  81. #332 Argon is classified as a __________.
  82. #333 Which statement about the ventilation of bulk coal is TRUE?
  83. #334 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 stresses w...
  84. #335 You are ordering ship's stores. Which statement is TRUE?
  85. #336 "Cribbing" is __________.
  86. #337 You are on a vessel carrying liquefied butadiene in bulk. Which document is NOT required to be either in the wheelhouse or easily accessible to the pe...
  87. #338 A "wet cargo" refers to __________.
  88. #340 Which of the following statements is/are TRUE concerning cranes being installed on the centerline of vessels?
  89. #341 The boom indicator on a crane will indicate the __________.
  90. #342 What is/are the advantage(s) of cranes over conventional cargo booms?
  91. #343 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 cargo hold?
  92. #344 Prior to being able to sail, each vessel that carries grain in bulk must have a certificate of loading issued by the __________.
  93. #345 Which item is NOT required to be marked with the vessel's name?
  94. #346 Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
  95. #347 The head block is located _________.
  96. #349 A list signal of one white light indicates that the vessel is __________.
  97. #350 Which statement is TRUE concerning vessels over 1600 gross tons certificated for service solely on the Great Lakes?
  98. #351 Fire hose stations shall be marked in red letters and figures such as Fire Station No. "1", "2", "3", etc. The height of the letters and figures must...
  99. #352 Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
  100. #353 What is the MOST irritating to the skin?

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.