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Engine · 141 questions

Retired questions · Engineering Safety - USCG Exam Questions

These are retired questions the Coast Guard no longer draws exams from. They stay online for reference; the current questions are in Engineering Safety.

Engine room safety: firefighting and fire prevention, confined space entry, pollution regulations, and safe work practices.

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 Retired questions · Engineering Safety questions

Questions 101–141 of 141 · page 2 of 2

  1. #723 As Chief Engineer of a vessel of more than 1600 gross tons on an international voyage, you have just activated the CO2 release handle for the engine r...
  2. #727 The most important characteristic of a fire extinguishing agent to be used on electrical fires is for the agent to be __________.
  3. #733 As Chief Engineer, how would you instruct a new Third Assistant Engineer to use the fire fighting apparatus illustrated to fight an oil fire at the bu... illustration
  4. #734 As Chief Engineer sailing aboard chemical tankers you frequently review the best practices regarding fire fighting during safety meetings. Which of th...
  5. #738 As team leader of the ship's # 2 emergency squad; you have just informed the Bridge that the fire in the Galley has been extinguished. What would you...
  6. #740 As team leader of the #2 emergency squad you arrive at the scene of a fire in the Bosun's store room on the weather deck. How would you proceed to fig...
  7. #741 A fire has been reported in the ship's laundry room. As Chief Engineer you direct the team leader of the #1 emergency squad to secure ventilation to t...
  8. #743 While in port working cargo a fire is reported on the forward car deck. The Captain sounds the general alarm, the crew musters and starts fighting the...
  9. #744 You are the Chief Engineer of a vessel of more than 1600 gross tons on an international voyage. While in port working cargo a fire is reported in the...
  10. #746 In the event of a vessel fire in port, shore side firefighters can find details on vessel's fire control plans in which of the following locations?
  11. #747 Your vessel is traveling on an international voyage. Regarding the assistance of shore side fire fighters to combat a vessel fire while in port, what...
  12. #748 Your vessel has two fire pumps and a low pressure CO2 system, which protect the cargo holds and the engine room. A fire is reported on the #3 car deck...
  13. #749 A liquid having a flash point above 80°F, but below 150°F, would be termed a grade __________.
  14. #763 Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detector...
  15. #774 What term is listed on a Material Safety Data Sheet (MSDS) to describe a chemical that can produce life-threatening or seriously disabling health haza...
  16. #784 Which of the following methods will reduce the possibility of producing an electrical spark?
  17. #797 The term "arrival ballast" refers to __________.
  18. #815 Inert gas systems fitted on tank vessels must be fitted with an alarm to give an audible and visual warning when the oxygen content of the inert gas e...
  19. #817 Which of the following represents the maximum percent of oxygen, by volume, required to be achieved by a ship's inert gas system, prior to the commenc...
  20. #821 As Chief Engineer or First Assistant Engineer you should be familiar with the six motions of a vessel. Which of these motions affects the governing "t... illustration
  21. #823 As Chief Engineer or First Assistant Engineer you should be familiar with the six motions of a vessel. Which of these motions affects the governing "l...
  22. #827 As Chief Engineer of an ocean going passenger vessel, it is important to know the effect of trim and stability of your ship in the event of damage to...
  23. #838 The symbol shown in the illustration and used as a reference from which the height of the center of gravity is measured, is item number __________. SF... illustration
  24. #839 As Chief Engineer you should understand the concept of corrective measures and their purpose. The following four actions will have which affect on the...
  25. #845 As Chief Engineer your vessel has been damaged and one compartment has partially flooded. You understand that you have lost buoyancy and have added we...
  26. #846 If a vessel initially has no list and no significant trim, which of the developments shown in the illustration will result in the greatest list? SF-00... illustration
  27. #847 If your vessel has a starboard list after taking on fuel, you would transfer fuel __________.
  28. #854 As 1st A/E on a large container vessel you should be familiar with the vessel's stability and the concepts of same. Regarding trimming of a vessel, an...
  29. #859 A vessel which is subjected to 'sagging' __________.
  30. #868 The 3rd engineer on watch reports than the ship has an erratic rolling behavior and it does not appear to stabilize at an even keel position. As Chief...
  31. #874 What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?
  32. #884 Fire main shore connections on a 1,000 gross ton cargo vessel are required by Coast Guard Regulations (46 CFR) to be provided with __________.
  33. #887 During the annual servicing of your ship's fixed CO2 system, you receive the report shown in the illustration. Which CO2 cylinders require recharging?... illustration
  34. #893 When the machinery spaces on a tank vessel are protected by a fixed foam extinguishing system, what additional protection is required by Coast Guard R...
  35. #912 An ocean going ship of 6000 gross tons or above must be fitted with a standard discharge shore connection with dimensions outlined in Pollution Preven...
  36. #925 According to 33 CFR, records of garbage disposal are required to be maintained __________.
  37. #926 According to Code of Federal Regulations (33 Part 151), which of the following statements is accurate concerning the discharge of garbage?
  38. #936 Your passenger vessel has departed port with 1,235 passengers on board for a 10 day voyage. What should be your ship's standard operating procedures r...
  39. #941 As First Engineer, you are standing by the #3 deep fuel oil storage tank as a crew member is working inside the tank. Before entering the tank, the at...
  40. #944 Which of the following statement is true concerning the meter shown in the illustration? See Illustration SF-0003 illustration
  41. #946 The instrument shown in the illustration has not been used for several weeks. Prior to its use for testing a compartment, you should __________. See I... illustration

Engineering Safety questions: what to expect

Q How many Engineering Safety questions are in the Engine pool?

This retired set holds 141 Engineering Safety questions the Coast Guard no longer draws on exams. They stay online for reference; the current Engineering Safety module is the one to study.

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

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

Q Are these the real USCG Engineering 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 Engine modules

About the Engine question pool

The Engine pool holds the current U.S. Coast Guard questions for engineering credentials, from QMED ratings through DDE and Assistant Engineer up to Chief. Answer any question to see the correct choice instantly.