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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.

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Questions 901–1,000 of 1,109 · page 10 of 12

  1. #1293 Which of the components listed are interchangeable between different backpack self-contained breathing apparatus produced by various manufacturers?
  2. #1294 Manufacturers of self-contained breathing apparatus use color-coded face pieces to indicate different sizes. Which of the following statements is true...
  3. #1295 A class "B" fire develops on the weather deck amidships of a moored tank vessel. The fire party should man the __________.
  4. #1296 When required to work in an area where explosive gases may accumulate, you should use hand tools which are __________.
  5. #1297 A simple precaution to reduce the possibility of accidental fires in the paint locker is to __________.
  6. #1298 The component shown in the illustration would be installed in which of the following types of fire detection systems? Illustration SF-0004 illustration
  7. #1299 If there was a fire out of control on the Auxiliary Machinery Flat, what fixed extinguishing system in that space would be the best means to extinguis... illustration
  8. #1300 Coast Guard Regulations (46 CFR) require that life jackets shall be __________.
  9. #1301 In addition to the life jackets stowed in places that are readily accessible, life jackets must also be stowed at______________.
  10. #1302 According to 46 CFR part 95, which of the listed fire extinguishers would be considered hand portable/semi-portable and capable of combating a class "...
  11. #1303 Some Pollution Prevention Regulations (33 CFR) only apply to "new ships." Under the regulations pertaining to vessels carrying oil, noxious liquid sub...
  12. #1304 The Exclusive Economic Zone extends from the baseline of territorial sea of the United States seaward ___________.
  13. #1305 To be in compliance with U.S. Federal Ballast Water Management regulations, which of the following procedures may be followed by an ocean vessel enter...
  14. #1306 A new oceangoing ship of 2000 gross tons having an inoperative oily-water separator may dispose of its bilge slops by __________.
  15. #1307 On a newly constructed oceangoing vessel of 10,000 gross tons, equipped with an approved 100 ppm oily-water separator, and bilge monitor, the bilge mo...
  16. #1308 On U.S. inspected ships, oily-water separating equipment, bilge alarms, and bilge monitors must be approved under __________.
  17. #1309 No person may serve as the person in charge of oil transfer operations on more than one vessel at a time __________.
  18. #1310 Pollution Prevention Regulations (33 CFR) specify that the person in charge of bunkering is responsible for the __________.
  19. #1311 According to MARPOL, the definition of gray water includes drainage from __________.
  20. #1312 To operate a carbon dioxide extinguisher having the type of head shown in the illustration, you would __________. Illustration SF-0008 illustration
  21. #1313 Which of the following statements is true concerning the fire extinguisher shown in the illustration? Illustration SF-0006 illustration
  22. #1314 The fire extinguishing equipment shown in the illustration is a large __________. Illustration SF-0009 illustration
  23. #1315 How would you ensure that your crew is prepared to combat a shipboard fire using ship's equipment?
  24. #1316 In figure 1 of the illustration, fire would spread to compartment "B" by __________. Illustration SF-0013 illustration
  25. #1317 If an emergency pump control is used as the emergency shutdown on a tank vessel; it must stop the flow of oil through __________.
  26. #1318 Pressure-vacuum relief valves, as used on tank vessels, are usually set to operate between what two points?
  27. #1319 A fire has been reported in the ship's laundry room. As the senior engineer, you direct the team leader of the No.1 emergency squad to secure ventilat...
  28. #1320 You notice smoke coming from an open laundry room doorway, which smells like electrical insulation. After activating the fire alarm, which of the foll...
  29. #1321 The fire extinguishing equipment shown in the illustration is a large __________. Illustration SF-0009 illustration
  30. #1322 According to Coast Guard Regulations (CFR 33), all ships are required to prepare, submit, and maintain a (an) __________.
  31. #1323 Which of the following statements is true concerning the meter shown in the illustration? Illustration SF-0003 illustration
  32. #1324 The instrument shown in the illustration has not been used for several weeks. Prior to its use for testing a compartment, you should __________. Illus... illustration
  33. #1325 Which of the following conditions must be met before a marine chemist will issue a certificate for a compartment to be "safe for workers, safe for hot...
  34. #1326 You are conducting training on firefighting procedures. What type of fire is characterized by the burning of ordinary combustible materials where the...
  35. #1327 If the items shown in the illustration are burning, this fire would be a Class __________. Illustration SF-0001 illustration
  36. #1328 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...
  37. #1329 A reproductive health hazard, listed on a Material Safety Data Sheet (MSDS) that can cause genetic changes in sperm or egg cells is called a _________...
  38. #1330 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
  39. #1331 An oceangoing ship of 6000 gross tons or above must be fitted with a standard discharge shore connection with dimensions outlined in Pollution Prevent...
  40. #1332 The term "load on top" is used on many crude oil carriers is to provide a method for __________.
  41. #1333 As the senior engineer onboard a vessel, how would you instruct a new engineer to use the firefighting apparatus illustrated to fight an oil fire at t... illustration
  42. #1334 Your chemical tanker was built to the IBC Code and has foam as the main firefighting medium. During one of your safety meetings you review the propert...
  43. #1335 You are conducting training on firefighting procedures. What type of fire is characterized by the burning of electrical equipment where the use of a n...
  44. #1336 As chief engineer sailing aboard chemical tankers you frequently review the best practices regarding firefighting during safety meetings. Which of the...
  45. #1337 No person may serve as the person in charge of oil transfer operations on more than one vessel at a time __________.
  46. #1338 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 __________. I... illustration
  47. #1339 As chief engineer you should understand the concept of corrective measures and their purpose. The following four actions will have which affect on the...
  48. #1340 Prior to entering a compartment containing an atmosphere potentially dangerous to life or health and deficient in oxygen, you should don an approved b...
  49. #1341 While donning the positive pressure self-contained breathing apparatus, you discover that the air cylinder pressure gage and the regulator pressure ga...
  50. #1342 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...
  51. #1343 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 dec...
  52. #1344 Your vessel is traveling on an international voyage. Regarding the assistance of shore side firefighters to combat a vessel fire while in port, what d...
  53. #1345 While in port working cargo, a fire is reported on the forward car deck. After the captain sounds the general alarm, the crew musters and starts fight...
  54. #1346 The component shown in the illustration would be installed in which of the following types of fire detection systems? Illustration SF-0004 illustration
  55. #1347 Why is it essential to introduce CO2 from a fixed fire extinguishing system, into a large engine room, as quickly as possible?
  56. #1348 Kapok life jackets require proper care and should NOT be __________.
  57. #1349 The wooden shoring shown in the illustration is bearing against the hatch coaming and is supporting a load in the direction indicated by the arrows. W... illustration
  58. #1350 As the senior engineer of a vessel of more than 1600 gross tons on an international voyage, you have just activated the CO2 release handle for the eng...
  59. #1351 The horizontal port or starboard movement of a vessel is called __________.
  60. #1352 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? Illus... illustration
  61. #1353 If a fixed fire extinguishing system is installed on any vessel; it must be of a type approved by the __________.
  62. #1354 As chief engineer on a vessel of more than 1600 gross tons on an international voyage, you and the first engineer are planning a welding job in the ca...
  63. #1355 As team leader of the ship's No.2 emergency squad, you have just informed the bridge that the fire in the galley has been extinguished. What would you...
  64. #1356 A fire has been reported in the ship's galley, as chief engineer you direct the team leader of the #2 emergency squad to secure ventilation to the spa...
  65. #1357 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...
  66. #1358 As chief engineer of an oceangoing passenger vessel, it is important to know the effect of trim and stability of your ship in the event of damage to a...
  67. #1359 During repairs it is necessary to replace an existing vessel bulkhead. Drawings indicate the bulkhead is A60. "A" indicates which of the following?
  68. #1360 Drawings of your deck plans show the use of A60 bulkheads. "A" indicates which of the following?
  69. #1361 An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.
  70. #1362 The most likely location for a liquid cargo fire to occur on a tanker would be __________.
  71. #1363 You are reviewing emergency procedures with new crew members. How would you direct them to proceed if they hear the fire and emergency signal on the s...
  72. #1364 In preparation for an extended yard period, you are reviewing your ship's plans. You notice several bulkheads are labeled A60. What is indicated by th...
  73. #1365 During an inspection of a ship’s storeroom, you find sealed containers of chemicals labeled "potassium bicarbonate" and "potassium chloride". These ch...
  74. #1366 What would be a major consequence of allowing the refrigeration system of a low-pressure fixed CO2 fire extinguishing system to remain inoperable?
  75. #1367 You are the engineer on a vessel with a periodically unattended machinery space. A fire has been reported in the engine room, and you cannot make entr...
  76. #1368 As an engineer on a tanker, how would you direct the fire team to combat a large cargo space fire?
  77. #1369 The volatility of a liquid is the tendency of a liquid to __________.
  78. #1370 As listed on a Safety Data Sheet (SDS), what is a liquid called that is having a flash point below 199.4°F (93°C)?
  79. #1371 You are providing onboard training to your engineers on the factors affecting trim and stability. What instructions do you give your engineers to stab...
  80. #1372 After transferring a weight forward on a vessel, the draft at the center of flotation will __________.
  81. #1373 While serving as chief engineer on a partially loaded containership the vessel is involved in a collision. An empty starboard side wing tank becomes o...
  82. #1374 Reducing the free surfaces within a vessel, reduces the __________.
  83. #1375 As chief engineer on a vessel, you and the first engineer are planning a welding job in the cargo-hold. How would you ensure that all safety precautio...
  84. #1376 Which of the following conditions represents a particular advantage of using a positive pressure type self- contained breathing apparatus in an atmosp...
  85. #1377 Which of the following statements is true concerning the fire extinguisher shown in the illustration? illustration
  86. #1378 Which of the following statements represents the correct action to take when three crew members discover a fire?
  87. #1379 The explosive range of methane is 5% to 15% by volume in air. This means a vapor/air mixture of __________.
  88. #1380 The physical data term on a Safety Data Sheet (SDS) that indicates if the vapor formed by a material is lighter or heavier than air is called ________...
  89. #1381 Your vessel is taking on bunkers from a shoreside facility. If oil begins flowing from one tank vent, which of the following actions should be taken F...
  90. #1382 In accordance with 33 CFR Subchapter O (Pollution), which of the following is NOT required to be provided as part of the appendixes of the Shipboard O...
  91. #1383 In accordance with 33 CFR Subchapter O (Pollution), each operation involving the transfer of oil or oily mixture that requires an entry in the Oil Rec...
  92. #1384 In accordance with 33 CFR Subchapter O (Pollution), the Oil Record Book for all U.S. ships ________.
  93. #1385 The ability of a vessel to remain in a stable position is controlled by the interaction of two opposing force. What are the forces involved?
  94. #1386 With no environmental forces acting on the vessel, the center of gravity of an inclined vessel is vertically aligned with the __________.
  95. #1387 Which of the following describes a vessel which is subjected to "hogging"?
  96. #1388 In accordance with 33 CFR Subchapter O (Pollution), each completed page of the Oil Record Book must be signed by the _________.
  97. #1389 In accordance with 33 CFR Subchapter O (Pollution), the definition of graywater includes drainage from which of the following?
  98. #1390 The safe and efficient use of the facepiece of a self-contained breathing apparatus is directly influenced by __________.
  99. #1391 You are reviewing emergency procedures with new crew members. How would you direct them to proceed if they hear the fire and emergency signal on the s...
  100. #1392 In reviewing ship drawings with a new operational level engineering officer you note that some divisional bulkheads are labeled A60. In the discussion...

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.

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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.