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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 5,001–5,100 of 5,775 · page 51 of 58

  1. #5373 What is the result when natural fiber rope gets wet?
  2. #5374 What is the critical point in nylon line elongation?
  3. #5375 How should natural fiber rope be stowed in order to help protect it from rotting?
  4. #5376 When using or caring for natural-fiber rope, which of the following is NOT recommended?
  5. #5377 Which statement is True for lifejackets on a small passenger vessel?
  6. #5378 Aboard small passenger vessels the number of children’s life jackets carried must be at least what percentage of the total number of persons abo...
  7. #5379 What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank?
  8. #5380 Which of the following is a rope ladder with wooden rungs?
  9. #5381 What is a serving mallet used for?
  10. #5382 Which of the knots, bends, or hitches shown in illustration D030DG below would you use to properly secure a bosun chair to a gantline? illustration
  11. #5383 Which knot is typically used to join two large lines or hawsers together?
  12. #5384 Which of the following may result from improperly coiling manila line?
  13. #5385 Which of the following is the strongest of the natural fibers?
  14. #5386 How should manila lines in which the strands are right-hand laid be coiled?
  15. #5387 What is a normal safe working load for used nylon rope in good condition?
  16. #5388 In what direction should you coil a right hand laid rope?
  17. #5389 Which term describes a rope in which three right-handed strands are laid up left-handed?
  18. #5390 What is the name of tackle number 9 as shown in illustration D029DG below? illustration
  19. #5391 What is the mechanical advantage of tackle number 9 as shown in illustration D029DG below? illustration
  20. #5392 What is the mechanical advantage of tackle number 11 as shown in illustration D029DG below? illustration
  21. #5393 What is the mechanical advantage, neglecting friction, of tackle number 12 as shown in illustration D029DG below? illustration
  22. #5394 What is the mechanical advantage of tackle number 3 as shown in illustration D029DG below? illustration
  23. #5395 What is the mechanical advantage of tackle number 7 as shown in illustration D029DG below? illustration
  24. #5396 What is the mechanical advantage of tackle number 8 as shown in illustration D029DG below? illustration
  25. #5397 Both an approved B-V semi-portable fire extinguishing system and a fixed fire extinguishing system are required to protect the engine room on uninspec...
  26. #5398 Either one approved B-V semi-portable fire-extinguishing system or a fixed fire-extinguishing system is required to protect the engine room on uninspe...
  27. #5399 In illustration D024DG below, which item refers to the face wire? illustration
  28. #5400 According to the U.S. regulations, what must be agreed upon by the person-in-charge of transfer operations, both ashore and on the vessel?
  29. #5401 According to the regulations, what fire safety control feature is required in quick-closing shut off valves?
  30. #5402 When are Operators of Uninspected Passenger Vessels required to keep their Coast Guard credential aboard their vessel?
  31. #5403 According to the regulations, what fire safety control feature is required in quick-closing shut off valves?
  32. #5404 If you fail to notify the Coast Guard of an oil spill, how long may you be imprisoned for?
  33. #5405 You are operating a 1,000 GT non-oceangoing tankship. It must be equipped with __________.
  34. #5406 The U.S. regulations require an emergency means of stopping the flow of oil during oil transfer operations. Where must these emergency means be operab...
  35. #5407 Which statement is TRUE when the Captain of the Port or Officer in Charge, Marine Inspection issues an order of suspension to the operator of a vessel...
  36. #5408 What does the minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of?
  37. #5409 On uninspected vessels when may U. S. Coast Guard approved work vests be substituted life jackets?
  38. #5410 You are the operator of a 290 GRT uninspected towing vessel whose construction was contracted for after August 27, 2003. Which type of semi-portable f...
  39. #5411 Fire protection regulations for towing vessels allow you to use a nonmetallic flexible hose in fuel line installations under all of the following cond...
  40. #5412 The basic shipping paper that forms an agreement between a ship owner and a charterer is a __________.
  41. #5413 What will NOT be found on the Certificate of Inspection of an oceangoing tankship?
  42. #5414 Firefighting equipment requirements for a particular vessel may be found on the __________.
  43. #5415 Following a serious marine incident, who can administer use of the device that tests an individual’s breath?
  44. #5416 As Master or person in charge, you must notify the U.S. Coast Guard if an injury leaves a crewman unfit to perform routine duties for more than which...
  45. #5417 At least one re-inspection shall be made on each vessel holding a Certificate of Inspection valid for two years. This inspection shall be held between...
  46. #5418 A re-inspection of the vessel shall be made between which of the following months while the Certificate of Inspection is valid?
  47. #5419 If H2S exposure is anticipated, fixed monitoring devices aboard a MODU should have a low level concentration alarm to alert personnel. at what concent...
  48. #5420 The element used to keep weight on the bit at a constant value in spite of up-and-down movement of a MODU during floating drilling operations is the h...
  49. #5421 The joint of the riser in a marine riser system that compensates for heave, the up-and-down motion of a floater, is the __________.
  50. #5422 The record of tests and inspection of firefighting equipment on board a MODU must include __________.
  51. #5423 A fire in a ballast pump room can be brought under control with minimal impact on stability by __________.
  52. #5424 Why should you preload a mooring system above your pre-calculated operating mooring tensions?
  53. #5425 The process of waiting a period of time before pre-tensioning an anchor is known as __________.
  54. #5426 You are docking a ship with a single-screw tug assisting on your starboard bow. How should the tug be tied up if you are anticipating that she will ha...
  55. #5427 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
  56. #5428 When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken th...
  57. #5429 When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.
  58. #5430 You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. T... illustration
  59. #5431 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
  60. #5432 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...
  61. #5433 The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?
  62. #5434 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/...
  63. #5435 A tug would NOT assist a ship to steer if the tug is made up to the large vessel __________.
  64. #5436 When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.
  65. #5437 You are docking a vessel in a slip which has its entrance athwart the tide. You land the ship across the end of the pier, stemming the tide, preparato...
  66. #5438 When moored with a Mediterranean moor, the ship should be secured to the pier by having __________.
  67. #5439 You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The r... illustration
  68. #5440 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
  69. #5441 You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The r... illustration
  70. #5442 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
  71. #5443 When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?
  72. #5444 The DEEP DRILLER, at a draft of 45 feet and total vertical moments of 981,567 ft-long tons, floods 2068.7 long tons of sea water through the overboard...
  73. #5445 Fighting a rig fire in the ballast pump room with hoses would adversely affect the stability of the rig most by __________.
  74. #5446 What is the change in transverse moments for the DEEP DRILLER if 103.48 long-tons of ballast is transferred from a full ballast tank 1P to an empty ba...
  75. #5447 A jack-up with a calculated moment to change list one inch (MCL1") of 1,200 foot-kips intends to transfer 100 kips of weight in a transverse direction...
  76. #5448 A jack-up with a calculated moment to change list one inch (MCL1") of 1,350 foot-kips intends to transfer drill water from a tank with a TCG of 82 fee...
  77. #5449 Which party administers the load line regulations?
  78. #5450 Which term defines a Contract of Affreightment covering the movement of a particular cargo from one designated port to another at a specified rate for...
  79. #5451 Which agency must approve the safety equipment on board inspected vessels?
  80. #5452 What is the cause of most minor spills of oil products?
  81. #5453 In most cases, when large tankers or bulk carriers enter shallow water at high speed, which situation can be expected?
  82. #5454 Which would be the BEST condition for your vessel to enter into pack ice?
  83. #5455 What is the procedure to obtain an initial inspection for a Coast Guard Certificate of Inspection for your vessel?
  84. #5456 In the event of an oil spill a report must be made to which of the following entities?
  85. #5457 Who is responsible for any wake damage caused by a passing vessel?
  86. #5458 You observe a V-shaped ripple with the point of the V pointing upstream in a river. What may this indicate?
  87. #5459 Your vessel is issued a load line certificate dated 27 May 1992. Which is an acceptable date for one of the surveys for endorsements?
  88. #5460 You are signing on the Purser. He should present a Merchant Mariner Credential with which endorsement?
  89. #5461 What effect does lifting the shank of a Stockless anchor that is set on the bottom have?
  90. #5462 You are shifting a gas free tank barge to dry dock for repairs. The barge must have onboard which document?
  91. #5463 Which term defines a wedge of water that builds up between the head of the barge and the bank?
  92. #5464 Your vessel is in Charleston, S.C. Which situation does NOT require you to clear Customs?
  93. #5465 Which is the BEST action to take if your vessel is dragging her anchor in a strong wind?
  94. #5466 Which document has a list of names, birthplaces, and residences of persons employed on a merchant vessel bound from a U.S. port on a foreign voyage an...
  95. #5467 Which statement is TRUE when amendments are made to the Shipboard Oil Pollution Emergency Plan, and the revisions have been submitted to the Coast Gua...
  96. #5468 In insurance terms, which describes the term Particular Average?
  97. #5469 You are steaming in a heavy gale and find it necessary to heave to. Under most circumstances, how is this best accomplished?
  98. #5470 When passing a moored vessel in a narrow channel which actions will help minimize wake damage?
  99. #5471 In safety and risk assessment, what two factors are used to evaluate a hazard's risk?
  100. #5472 Which international body is responsible for drafting the MARPOL convention prohibiting marine pollution?

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.