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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.

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All Safety questions

Questions 3,101–3,200 of 3,245 · page 32 of 33

  1. #3615 Which is the primary method by which water spray puts out fires?
  2. #3616 If you have to abandon ship, and enter a liferaft, what should be your main course of action?
  3. #3617 A man who is conscious has fallen overboard is being picked up by a lifeboat. In a mild breeze how should the boat approach the person in the water?
  4. #3618 What is the objective of shoring a damaged bulkhead?
  5. #3619 What is the most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft?
  6. #3620 Which term describes the strengthening of damaged bulkheads by using wood or steel?
  7. #3621 You are landing an oar propelled lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from...
  8. #3622 On a lifeboat equipped with Rottmer-type releasing gear, what does turning the releasing lever release?
  9. #3623 Which term defines the minimum concentration of a vapor in air which can form a mixture that ignites and burns?
  10. #3624 The lever shown in the illustration is operated when a lifeboat is in which of the following positions? illustration
  11. #3625 Which describes the floors aboard a ship?
  12. #3626 In an emergency, which can directly control the electro-hydraulic steering units on the vessel?
  13. #3627 You hear the general alarm and ship's whistle sound for over 10 seconds. What does this signal mean?
  14. #3628 An inflatable liferaft is thrown into the water from a sinking vessel. What should occur after the painter trips the CO2 bottles to inflate the raft?
  15. #3629 Which is an indication that progressive flooding is occurring?
  16. #3630 What is the SAFEST action to take with an accumulation of oily rags?
  17. #3631 Which is TRUE of High-velocity fog?
  18. #3632 Why should storage batteries be charged in a well-ventilated area?
  19. #3633 You will find a limit switch on which type of davit?
  20. #3634 What is the name given to the bottom row of plating next to the keel of a lifeboat?
  21. #3635 Freeboard is measured from the upper edge of which item?
  22. #3636 Which is one of the signals, other than a distress signal, that can be used by a rescue boat to attract attention?
  23. #3637 What could happen if you are steering a lifeboat broadside to a rough sea?
  24. #3638 Which is the best action to take when plugging holes below the waterline for the safety of the vessel?
  25. #3639 What is the purpose of a bilge well?
  26. #3640 Which term is used to describe the point that is halfway between the forward and after perpendicular and is a reference point for vessel construction?
  27. #3641 Fighting a fire in the galley poses which additional threat?
  28. #3642 Which quantity of fuel is required to be carried in a motor lifeboat?
  29. #3643 Which name is given to the frames to which the tank top and bottom shell are fastened on a vessel?
  30. #3644 Which is TRUE concerning a certified lifeboat operator assigned to command a lifeboat?
  31. #3645 In the illustration, what does symbol "3" represent? illustration
  32. #3646 Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises out of which situation?
  33. #3647 In the illustration, which of the following is the symbol for the reference from which transverse measurements are made? illustration
  34. #3648 Your vessel has 3 lifeboats on each side. What is the designation number for the middle boat on the starboard side?
  35. #3649 When would a racetrack turn be better than a Williamson turn in recovering a man overboard?
  36. #3650 Fixed carbon dioxide fire extinguishing systems shall be installed to protect enclosed machinery and fuel tank spaces of all vessels using gasoline or...
  37. #3651 A fire in a pile of linen is considered which class of fire?
  38. #3652 What can be done to prevent small oil spills on deck from going overboard?
  39. #3653 Which is the VHF radiotelephone frequency designated to be used only to transmit or receive information pertaining to the safe navigation of a vessel?
  40. #3654 Which are the flammable limits of methyl ethyl ketone?
  41. #3655 After abandoning ship, why should you deploy the sea anchor from a liferaft?
  42. #3656 Which term is given to the maximum length allowed between main, transverse bulkheads on a vessel?
  43. #3657 Which is TRUE concerning the most serious effect trapped air has on a diesel engine jacket water cooling system?
  44. #3658 (3.4.2.3-5) On every vessel, where must distress signals be stowed?
  45. #3659 On a tankship, who is responsible for the sanitary inspections of the crew's quarters?
  46. #3660 How are fusible link fire dampers operated?
  47. #3661 What is the traditional signal for fire aboard ship?
  48. #3662 How should a message warning of a tropical storm be sent?
  49. #3663 A thirty-pound plate would be which thickness?
  50. #3664 What is the purpose of sheer in the construction of the vessel?
  51. #3665 Where should the sea painter of a lifeboat be secured?
  52. #3666 When improperly tied, which knot shown in the illustration is called a granny or thief's knot? illustration
  53. #3667 Which describes the "lay" of a line?
  54. #3668 Which is the correct way to make an eye in a wire rope with clips?
  55. #3669 In relation to the turning circle of a ship, which defines the term "transfer"?
  56. #3670 Why is it necessary to secure forced ventilation to a compartment where there is a fire?
  57. #3671 As soon as the officer in charge of the vessel has taken steps to stop the discharge of oil or oily mixture into a U.S. harbor, what must they do FIRS...
  58. #3672 Which safety precaution should be observed during crane operations?
  59. #3673 All lifeboats, rescue boats, and rigid type liferafts shall be stripped, cleaned, and thoroughly overhauled at which time interval?
  60. #3674 What type of knot in the illustration is indicated by the Letter "R"? illustration
  61. #3675 What type of knot in the illustration is indicated by the Letter "J"? illustration
  62. #3676 What is the normal percentage of oxygen in air?
  63. #3677 How is the size of wire rope determined?
  64. #3678 What is the primary reason for placing covers over the top of storage batteries?
  65. #3679 What represents poor sanitary procedures?
  66. #3680 (3.5.2.2-3) Normally, which chemical is used to treat water in order to ensure its safety for drinking?
  67. #3681 Before any machinery is put in operation, you should take which action FIRST?
  68. #3682 Using a sea anchor will accomplish which of the following?
  69. #3683 Loading cargo above the vessel's center of gravity will increase the vessel's vertical center of gravity. How will this affect the vessel?
  70. #3684 When does a cylinder in a two-cycle engine experience combustion?
  71. #3685 What is the function of the bypass valve on the self-contained breathing apparatus?
  72. #3686 Why is the height of a VHF radio antenna more important than the power output wattage of the radio?
  73. #3687 Which defines the "margin plate"?
  74. #3688 If an inflatable liferaft is overturned, it may be righted by which action?
  75. #3689 When should the external inflation bladder on an immersion suit be inflated?
  76. #3690 Which extinguishing agent is/are suitable to combat a class B fire in an engine compartment?
  77. #3691 Which is TRUE of the spray of water in low-velocity fog?
  78. #3692 What is the name of the process that creates a thick, heavy, long-lasting type of foam blanket upon the hot cooking media surface that seals out oxyge...
  79. #3693 Why must a fire be ventilated?
  80. #3694 A burning pile of dunnage would be which classification of fire?
  81. #3695 The forward draft of your ship is 27'-11" and the after draft is 29'-03". The draft amidships is 28'-05". Which is TRUE of your vessel?
  82. #3696 Which type of weld is used to attach stiffeners to a plate?
  83. #3697 Where are the lifelines connected to the liferaft?
  84. #3698 On the all-purpose nozzle, what is the position of the nozzle valve when the handle is all the way forward?
  85. #3699 In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?
  86. #3700 In good weather, why should you deploy the sea anchor from the liferaft?
  87. #3701 What color signal flare is sent up by a submarine to indicate an emergency?
  88. #3702 What is the signal to guide vessels in distress, indicating, "This is the best place to land"?
  89. #3703 In continuous operation, what is the effective range of the 15 pound CO2 extinguisher?
  90. #3704 Once the liferaft has cleared the vessel, which of the following steps should normally be taken first by those who have boarded a liferaft in an emerg...
  91. #3705 Who is responsible for ensuring that all of the crew members receive instruction on reporting inoperative alarm systems and fire-detection systems?
  92. #3706 Four-cycle diesel engines obtain combustion air through turbo chargers, blowers, or which other means?
  93. #3707 You are picking up an unconscious person that has fallen overboard. For safety reasons how should the towboat's yawl approach the person?
  94. #3708 Which statement(s) is/are TRUE concerning radio regulations on towing vessels of 26 feet or more in length?
  95. #3709 Which of the following in the illustration is the headlog? illustration
  96. #3710 After an item of required safety equipment on a towing vessel fails, the owner or Master must consider numerous factors before continuing the voyage....
  97. #3711 Which item is the towknee on a towboat? illustration
  98. #3712 You are reading the draft marks as shown in the illustration. The water level forward is 4 inches below the 11, and the water level aft is 2 inches be... illustration
  99. #3713 Your towboat is pushing a loaded tank barge and has been involved in a collision with another vessel. Which is an indicator that the barge is damaged...
  100. #3714 What is the name of the circular steel structure installed around the propeller (wheel) of a towboat?

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.

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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.