USCGQ
Log in Start free
USCGQ
Toggle sidebar
Home
Deck
Safety
Start practicing

Deck · 3,245 questions

Safety - USCG Exam Questions

Firefighting, lifesaving appliances and survival craft, emergency procedures, first aid, and pollution prevention regulations.

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.

Random question Build a timed exam

All Safety questions

Questions 2,901–3,000 of 3,245 · page 30 of 33

  1. #3415 The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 14'-07". After all bunkers are on board, soundings indicate the tonnages sh...
  2. #3416 Assuming an even transverse distribution of weight in a vessel, which condition could cause a list?
  3. #3417 You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?
  4. #3418 Which is the required amount of water for each person in a lifeboat on an oceangoing vessel, on an international voyage?
  5. #3419 A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?
  6. #3420 The SS AMERICAN MARINER has drafts of: FWD 15'-06", AFT 18'-06". Use the white pages of the Stability Data Reference Book to determine the drafts if y...
  7. #3421 In the illustration, which item number correctly identifies the hydrostatic release? illustration
  8. #3422 Which signaling devices are required on inflatable liferafts?
  9. #3423 Fires which occur in energized electrical equipment, such as switchboard insulation, are which classification?
  10. #3424 When should you be most concerned about a possible explosion or fire in fuel tanks?
  11. #3425 Why are diesel engines considered safer than gasoline engines?
  12. #3426 When electrical equipment is involved in a fire, where should the stream of dry chemicals be directed?
  13. #3427 A fuel line breaks, sprays fuel on the hot exhaust manifold and catches fire. What should be your FIRST action?
  14. #3428 If you have to jump in the water when abandoning ship, your legs should be in which position?
  15. #3429 Your vessel has just run aground. Which of the following would be one of the first actions you should take in this situation?
  16. #3430 What does the signal L1210 indicate?
  17. #3431 You have abandoned ship in rough weather. After picking up other survivors in your liferaft, what should you do next?
  18. #3432 The important initial stability parameter, GM, is which of the following?
  19. #3433 If you must swim through an oil fire, which action should be avoided?
  20. #3434 Which term describes the horizontal fore or aft motion of a vessel?
  21. #3435 For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity for...
  22. #3436 A stored-pressure water extinguisher is most effective against which class of fires?
  23. #3437 Which of the following best defines the term "chock"?
  24. #3438 Which defines the function of a spark arrestor?
  25. #3439 An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in which situation?
  26. #3440 You are in a lifeboat broadcasting a distress message. What information would be essential to your rescuers?
  27. #3441 When should you use distress flares and rockets?
  28. #3442 An emergency sea anchor may be constructed by using which item(s)?
  29. #3443 You are releasing carbon dioxide gas (CO2) into an engine compartment to extinguish a fire. In which situation will the CO2 be most effective?
  30. #3444 At all angles of inclination, which is the true measure of a vessel's stability?
  31. #3445 Why does a centrifugal bilge pump require priming?
  32. #3446 A carling is used aboard ship to accomplish which function?
  33. #3447 When should the control of flooding of your vessel be addressed?
  34. #3448 How are all diesel engines classified?
  35. #3449 If the cause of a sudden severe list is negative initial stability, what may happen when counterflooding into empty tanks?
  36. #3450 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  37. #3451 The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 15'-01". After all bunkers are on board, soundings indicate the tonnages sh...
  38. #3452 You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 feet,... illustration
  39. #3453 Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 23.1 feet. Use the selected stability curves in the blue pages of the Stability Data...
  40. #3454 Your drafts are: FWD 23'-03", AFT 27'-01". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in...
  41. #3455 Your sailing drafts are: FWD 24'-02", AFT 24'-10" and the GM is 4.6 feet. What will be the angle of list if #6 starboard double bottom (capacity 95 to...
  42. #3456 Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.2 feet, and the drafts are: FWD 22'-04", AFT 23'-...
  43. #3457 The SS AMERICAN MARINER is loaded with the cargo shown in the table. Use the white pages of The Stability Data Reference Book to determine the amount...
  44. #3458 The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 14'-07". After all bunkers are on board, soundings indicate the tonnages sh...
  45. #3459 The SS AMERICAN MARINER is loaded with the cargo shown in the table. Use the white pages of The Stability Data Reference Book to determine the amount...
  46. #3460 You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 feet,... illustration
  47. #3461 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  48. #3462 Your sailing drafts are: FWD 17'-07", AFT 18'-03" and the GM is 2.8 feet. What will be the angle of list if the #4 starboard double bottom (capacity 1...
  49. #3463 The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". After all bunkers are on board, soundings indicate the tonnages sh...
  50. #3464 Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 2...
  51. #3465 The SS AMERICAN MARINER is loaded with the cargo shown in the table. Use the white pages of The Stability Data Reference Book to determine the amount...
  52. #3466 You are on a vessel that has a metacentric height of 1.0 foot and a beam of 40 feet. What can you expect the rolling period of the vessel to be?
  53. #3467 You have 400 tons of below deck tonnage and 100 tons of above deck cargo on board. You must load 160 tons of liquid mud below deck. How much more deck... illustration
  54. #3468 Your sailing drafts are: FWD 22'-04", AFT 23'-06" and the GM is 3.2 feet. What will be the angle of list if #3 starboard double bottom (capacity 97 to...
  55. #3469 Where should lifeboat hatchets be kept?
  56. #3470 For an upright vessel, draft is the vertical distance between the keel and which other item?
  57. #3471 When launching an open lifeboat by falls, which is TRUE concerning the boathooks?
  58. #3472 Which is TRUE of a distress signal?
  59. #3473 When a vessel signals its distress by means of a gun or other explosive signal, the firing should be at approximately which time intervals?
  60. #3474 Which is the principal danger from ice collecting on a vessel?
  61. #3475 You are having a Coast Guard inspection. Which is TRUE concerning all of the carbon dioxide fire extinguishers aboard?
  62. #3476 How are fires in combustible metals, such as sodium or magnesium classified?
  63. #3477 Which term describes the time required to incline the vessel from port to starboard and back to port again?
  64. #3478 The term displacement refers to which of the following?
  65. #3479 Which describes how to determine a vessel's LCG?
  66. #3480 On a vessel, which information can be obtained by multiplying a load's weight by the distance of the load's center of gravity above the baseline?
  67. #3481 As seen in illustration, what action must be taken before inserting a low-velocity fog applicator into an all- purpose nozzle? illustration
  68. #3482 What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combust...
  69. #3483 Which is TRUE concerning drinking salt water?
  70. #3484 Which causes spontaneous combustion?
  71. #3485 Angular motion about the vertical axis of a vessel refers to which term?
  72. #3486 Which is the most effective cooling agent among those normally used to fight fires?
  73. #3487 Which statement is TRUE concerning lifeboat installations on Great Lakes vessels?
  74. #3488 Which item is a safety feature provided on all inflatable liferafts?
  75. #3489 Where is the knife on an inflatable liferaft always located?
  76. #3490 Progressive flooding is controlled by securing watertight boundaries and which other action?
  77. #3491 The carburetor is placed on the engine to perform which function?
  78. #3492 Which is TRUE concerning the length of the steering oar in a lifeboat?
  79. #3493 Normally, where are the potable water systems directly connected to?
  80. #3494 Which is TRUE of the vapor pressure of a substance?
  81. #3495 Why must the exhaust pipe be gas tight throughout its entire length on your vessel?
  82. #3496 Horizontal transverse motion of a vessel is known by which term?
  83. #3497 Ultrasonic testing is used to determine the thickness of a vessel's shell plating and which other testing?
  84. #3498 When using the rainwater collection tubes on a liferaft, what should be done with the first collection?
  85. #3499 The operator of the ship's radiotelephone, if the radiotelephone is carried voluntarily, must hold at least which of the following?
  86. #3500 All inflatable liferafts have which item?
  87. #3501 A Deratization Exemption Certificate is valid for which period of time?
  88. #3502 When fighting a fire in an enclosed space, why should the hose team crouch as low as possible?
  89. #3503 When discharging a portable CO2 fire extinguisher, why must you grasp the hose handle and NOT the discharge horn?
  90. #3504 You have just abandoned ship and boarded a raft. After the raft is completely inflated you hear a whistling noise coming from a safety valve. Which ac...
  91. #3505 You are fighting a fire in a cargo hold on your vessel. Which action is most important concerning the stability of the vessel?
  92. #3506 What is the function of the international shore connection onboard a vessel?
  93. #3507 When should the lubricating oil be changed on a heavy-duty diesel engine?
  94. #3508 The water in which a vessel floats provides vertical upward support. Which term is regarded as the point through which this support is assumed to act?
  95. #3509 What does reducing the liquid free surfaces in a vessel reduce?
  96. #3510 What is Metacentric height a measure of?
  97. #3511 For small angles of inclination, if the KG were equal to the KM, which is TRUE concerning the vessel?
  98. #3512 Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?
  99. #3513 In the illustration, what is the joint indicated by letter "D"? illustration
  100. #3514 Which is TRUE concerning a chock?

Safety questions: what to expect

Q How many Safety questions are in the Deck pool?

There are 3,245 Safety 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 Safety module from the same pool.

Q What score do I need to pass the Safety module?

Most USCG exam modules, including Safety, require 70 percent to pass. Rules of the Road modules require 90 percent.

Q Are these the real USCG Safety 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.

Other Deck modules

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.