单项选择题
A.Acetylene B.Lube oil C.Grease D.All of the above
If an oil spill occurs on deck, you should （）.A.cover t...
单项选择题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
Fire detecting systems on merchant vessels may be arran...
单项选择题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
On a tank vessel, which of the following substances wou...
单项选择题On a tank vessel, which of the following substances would be burning in a class "B" fire?（）
A.Oil B.Wood C.Rags D.Electrical wiring
