USCGQ
Log in Start free
USCGQ
Toggle sidebar
Home
Engine
Engineering Safety
Start practicing

Engine · 1,109 questions

Engineering Safety - USCG Exam Questions

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.

Random question Build a timed exam

All Engineering Safety questions

Questions 701–800 of 1,109 · page 8 of 12

  1. #987 What type of wound is generally associated with a scraping away of the skin and may be very painful?
  2. #988 What method of controlling severe bleeding is preferred and normally attempted first?
  3. #989 In all but the most severe cases, bleeding from a wound should be controlled by __________.
  4. #990 What is the characteristic of the blood flow associated with arterial bleeding?
  5. #991 What is meant by the phrase "partial flooding with boundaries intact"?
  6. #992 In order for a compartment to completely fill up due to flooding, what condition must exist?
  7. #993 What is meant by the term "counter-flooding"?
  8. #996 In the event of a grounding, which tanks should be sounded to determine any evidence of holing?
  9. #997 Following a grounding, what would happen to the level of a slack double bottom tank if the tank was holed?
  10. #998 Following a grounding, what action should be performed prior to the use of the main engines?
  11. #1001 When conversing over a sound-powered telephone circuit, the words "yes" and "no" should be avoided. What are appropriate substitutes?
  12. #1002 If you wish to initiate a station-to-station call over a sound-powered telephone circuit, what is the correct procedure?
  13. #1003 What is the purpose of depressing the button on the handle of a sound-powered telephone handset?
  14. #1005 What strategy for avoiding heat exhaustion is most likely to result in more severe pain as associated with heat cramps?
  15. #1006 What is the alarm signal for a fire emergency or fire drill onboard a merchant ship?
  16. #1007 What is the whistle signal for lowering boats?
  17. #1008 If you hear a CO2 activated alarm warning you to evacuate the engine room, how much time do you have to evacuate before the CO2 gas is released into t...
  18. #1009 What is the alarm signal for dismissal from a boat station or boat drill onboard a merchant ship?
  19. #1010 What is the alarm signal for dismissal from a fire emergency or fire drill onboard a merchant ship?
  20. #1013 The principle personnel hazard unique to Halon fire extinguishers is __________.
  21. #1014 Mechanical foam used for firefighting is produced by __________.
  22. #1015 The most common cooling agent used for fighting fires on tank vessels is __________.
  23. #1016 Which of the following statements is true concerning the Halon 1301 fire extinguishing agent?
  24. #1017 Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?
  25. #1018 To operate a portable foam fire extinguisher, you should __________.
  26. #1019 In a cartridge-operated dry chemical type fire extinguisher, when the CO2 cartridge is activated, the dry chemical is released from the extinguisher _...
  27. #1020 Portable Halon extinguishers used on a class "B" fire should be directed __________.
  28. #1021 The passive safety device installed on each Halon fire extinguishing cylinder, to prevent its over pressurization is called a __________.
  29. #1023 Which fire extinguisher is most prone to freezing when stowed in low temperatures?
  30. #1024 The state of charge of a stored pressure type dry chemical fire extinguisher can be readily determined by __________.
  31. #1025 While working in a hot engine room, what is the cause of heat exhaustion?
  32. #1026 While working in a hot engine room, what is your best protection against heat exhaustion?
  33. #1027 In addition to moving the victim to a shaded area, placing the victim in a prone position and loosening any tight clothing, what treatment should be a...
  34. #1028 What are the symptoms of heat exhaustion?
  35. #1037 According to Coast Guard Regulations (46 CFR), a flammable liquid with a Reid vapor pressure of 8 1/2 psi or less, and a flash point of 80°F or be...
  36. #1038 Which of the petroleum products listed has a flash point below 150°F?
  37. #1040 High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________.
  38. #1041 A liquid, as listed on a Material Safety Data Sheet (MSDS), having a flash point below 100°F (37.78°C) is called a/an __________.
  39. #1045 Pressure-vacuum relief valves on tank vessel cargo tanks should be kept in good working order to prevent __________.
  40. #1046 The term "load on top" is the name of a method used on many crude oil carriers for the purpose of __________.
  41. #1059 Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased. You therefore should suspect _____...
  42. #1060 Progressive flooding in the engine room may be minimized by securing watertight boundaries and __________.
  43. #1062 Your ship has run aground and it is necessary to determine whether or not a compartment has flooded. Therefore, you should __________.
  44. #1070 Which type of respiratory protection is preferable for the repair/investigation personnel in a hydrogen sulfide (H2S) environment?
  45. #1072 Which of the devices listed would be safe to use in a compartment with insufficient oxygen?
  46. #1073 A fire can be extinguished by removing __________.
  47. #1074 Which of the conditions listed is necessary for a substance to burn?
  48. #1075 Except in rare cases, it is impossible to extinguish a shipboard fire by __________.
  49. #1076 All of the following are part of the fire triangle EXCEPT __________.
  50. #1077 The blocking open or absence of fire dampers can contribute to __________.
  51. #1078 Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?
  52. #1079 The upper explosive limit (UEL) of a mixture of flammable vapors and air is defined as __________.
  53. #1080 In figure 1 of the illustration, fire would spread to compartment "B" by __________. Illustration SF-0013 illustration
  54. #1081 It is necessary to cool the bulkheads and decks surrounding a compartment where there is a fire in order to __________.
  55. #1082 To prevent the spread of fire by convection you should __________.
  56. #1083 The spreading of fire as a result of heat being carried through a vessel's ventilation system is an example of heat transfer by __________.
  57. #1084 In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ____________.
  58. #1085 The air flow depicted in figure 1 of the illustration is an example of which type of ventilation? Illustration SF-0013 illustration
  59. #1086 Radiation can cause a fire to spread by __________.
  60. #1087 Through which of the listed processes is sufficient heat produced to cause spontaneous ignition?
  61. #1088 The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as __________.
  62. #1089 Hazardous conditions exist which may result in spontaneous combustion when __________.
  63. #1090 To prevent oily rags from spontaneously igniting they should be __________.
  64. #1098 When entering the pump room of a tank vessel to rescue an unconscious person, which items of the equipment listed are you required to be using?
  65. #1109 Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?
  66. #1110 The advantage of using a dry chemical fire extinguishing agent is __________.
  67. #1111 When using foam, a 'Class B' fire is extinguished by __________.
  68. #1112 Which of the following statements is true concerning the Halon 1301 fire extinguishing agent?
  69. #1113 When compared to other fire extinguishing agents, water fog __________.
  70. #1116 Which of the listed characteristics applies to a semi-portable CO2 system?
  71. #1119 The air flow depicted in figure 1 of the illustration is an example of which type of ventilation? Illustration SF-0013 illustration
  72. #1120 Before entering any space that has been sealed, its oxygen level should be tested. What level of oxygen in the space is equal to fresh air?
  73. #1121 Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire?
  74. #1122 All of the following are part of the fire triangle EXCEPT __________.
  75. #1130 Ethylene oxide has a lower explosive limit of 2.0% and an upper explosive limit of 100% by volume in air. This means __________.
  76. #1131 By definition, combustible liquids are liquids which __________.
  77. #1132 The explosive range of a mixture of flammable vapors and air lies between the lower and upper explosive limits. These limits are specified as a percen...
  78. #1133 Which of the following conditions is true concerning flammable liquid vapors with a concentration above the upper explosive limit?
  79. #1134 As a general rule of thumb, with no adverse wind conditions, approximately how far could a straight stream of water reach from a fire hose having a no...
  80. #1135 If a fire hose is left unattended and under pressure with the nozzle shut off, the fire hose will __________.
  81. #1136 While fighting a fire, in order to utilize two hoses from a single 'wye' gate attached to a hydrant outlet, you need only turn the valve handle ______...
  82. #1142 Which of the listed methods is the most effective to fight a fire on the open deck of a vessel if using a dry chemical type fire extinguisher?
  83. #1143 Servicing of a cartridge-operated dry chemical fire extinguisher aboard ship would include ensuring that the __________.
  84. #1144 If a fire broke out in an automation console, you would first secure the power and then proceed to use which of the listed hand portable fire extingui...
  85. #1145 If the chemical material is a mixture, what must the Material Safety Data Sheet (MSDS) identify?
  86. #1148 A liquid, as listed on a Material Safety Data Sheet (MSDS), having a flash point below 100°F (37.78°C) is called a/an __________.
  87. #1149 A specific document which identifies a chemical, and lists its physical properties, health hazards, required controls, firefighting procedures, cleanu...
  88. #1151 According to the Pollution Prevention Regulations (33 CFR), which of the following statements is correct regarding the fuel oil containment under the...
  89. #1152 The Pollution Prevention Regulations (33 CFR) require that no person may transfer oil to or from a vessel unless __________.
  90. #1153 The Pollution Prevention Regulations (33 CFR) state that a ship's oily bilge slops may be pumped in port only if the __________.
  91. #1154 According to the Coast Guard Pollution Prevention Regulations (33 CFR), no person may transfer oil to or from a vessel unless __________.
  92. #1156 The tanks used for oily waste on a new ocean going cargo ship of 6000 gross tons must meet certain requirements for isolation between oil and bilge sy...
  93. #1157 According to Pollution Prevention Regulations (33 CFR), the minimum number of bolts permitted in an ANSI standard flange on an oil hose is __________.
  94. #1158 Which of the following statements concerning oil transfer, related equipment, tests and inspections is true?
  95. #1162 Your ship is working cargo in port when a hydraulic hose ruptures on the weather deck and oil spills into the harbor. Once the source of the oil spill...
  96. #1163 Which of the following is a mandatory section of the shipboard oil pollution emergency plan?
  97. #1164 Which of the following is NOT required to be provided as part of the appendixes of the Shipboard Oil Pollution Emergency Plan?
  98. #1165 The most common type of containment device for spilled oil on the water is the use of __________.
  99. #1166 In cleaning up an oil spill, the use of straw or reclaimed paper fibers would be an example of which type of oil removal?
  100. #1167 High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________.

Engineering Safety questions: what to expect

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

There are 1,109 Engineering 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 Engineering Safety module from the same pool.

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.