Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Safety & Environmental Protection (Deck) (Set 20)

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Question 1 of 30

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Question 1 of 30

Which extinguishing agent is suitable to combat a class B fire in an engine compartment?

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30 MCQs

#1 Which extinguishing agent is suitable to combat a class B fire in an engine compartment? #2 When choosing extinguishers to fight a Class "B" fire do NOT use __________. #3 A large oil fire on the deck of a ship can be fought most effectively with __________. #4 On a class "B" fire, which portable fire extinguisher would be the LEAST desirable? #5 A class B fire is most successfully fought by __________. #6 The class of fire on which a blanketing effect is essential is class __________. #7 An oil fire is classified as class __________. #8 A galley grease fire would be classified as which class of fire? #9 If ignited, which material would be a class B fire? #10 Which of the following classifications does an oil fire belong to? #11 Foam is effective in combating which class(es) of fire? #12 A fire in electrical equipment should be extinguished by using __________. #13 Which types of portable fire extinguishers are designed for use on electrical fires? #14 Fire extinguishing agents used on Class C fires must be __________. #15 What is the most important characteristic of the extinguishing agent in fighting a class "C" fire? #16 Which extinguishing agent is the best for use on electrical fires? #17 Which types of portable fire extinguishers are designed for putting out electrical fires? #18 Any extinguishing agent used on a Class "C" fire must have which important property? #19 Fires of which class would most likely occur in the engine room of a vessel? #20 A fire starts in a switchboard due to a short circuit. This is which class of fire? #21 A fire in a transformer terminal would be classified as class __________. #22 Fires which occur in energized electrical equipment, such as switchboard insulation, are class __________. #23 A fire in the radio transmitter would be of what class? #24 A class C fire would be burning __________. #25 What is the primary hazard, other than fire damage, associated with a class C fire? #26 Which type of portable fire extinguisher is best suited for putting out a Class D fire? #27 Which extinguishing agent is best for use on a magnesium fire? #28 If a powdered aluminum fire is being fought, the correct extinguishing agent would be __________. #29 An aluminum powder fire is classified as class __________. #30 A magnesium fire is classified as class __________.

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