A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
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A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
A.base of the equipment
B.top of the equipment
C.power source
D.source of the fire
A.allowing better access in an emergency
B.eliminating potential fuel sources
C.eliminating trip hazards
D.improving personnel qualifications
A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call the local fire department
A.should be worn while fighting a fire
B.can be used in atmospheres deficient in oxygen
C.filter contaminants from air that is to be breathed
D.may be substituted for a self-contained breathing apparatus
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Fire hose couplings（）.
Control valves of a CO2 system may be located within the protected space when（）.
Fire hose should be washed with（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Generally，the first action in extinguishing an LFG fire caused by escaping gas is to（）.
Fire and abandon ship stations and duties may be found on the（）.
Fire may be spread by which means?（）.
Foam extinguishes a fire by（）.
Foam extinguishes a fire by（）.
Foam extinguishes a fire mainly by（）.