單項選擇題Radiation can spread a fire by ().

A.transmitting the heat of a fire through the ship s metal
B.burning liquids flowing into another space
C.heated gases flowing through ventilation systems
D.the transfer of heat across an unobstructed space


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1.單項選擇題Which of the listed burning materials would be described as a class "B" fire?()

A.Acetylene
B.Lube oil
C.Grease
D.All of the above

2.單項選擇題If an oil spill occurs on deck, you should ().

A.cover the area with foam
B.cover the area with absorbent material
C.wash down immediately with a fire hose
D.wash down immediately with an oil dispersing solvent

3.單項選擇題Fire detecting systems on merchant vessels may be arranged to sense ().

A.smoke
B.rate of temperature rise
C.ionized particles
D.all of the above

5.單項選擇題A class "B" fire would most likely occur in the ().

A.main switchboard
B.engine room bilge
C.breathing compartment
D.electric fresh water transfer pump