A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
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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
A.8the heat of a fire melting the link
B.a break-glass and pull-cable system
C.electrical controls on the bridge
D.a mechanical arm outside the vent duct
最新試題
Fire hose should be washed with（）.
Fusible-link fire dampers are operated by（）.
Fire extinguishing agents used on Class C fires must be（）.
How is the external flotation bladder of an immersion suit inflated?（）
Flame screens are used to（）.
Generally，the first action in extinguishing an LFG fire caused by escaping gas is to（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Halon extinguishers used on a class C fire should be directed at the（）.
Foam is a very effective smothering agent and（）.