A.base of the equipment
B.top of the equipment
C.power source
D.source of the fire
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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
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
最新試題
How does foam extinguish an oil fire?（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
Flame screens are used to（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Good housekeeping on a vessel prevents fires by（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Fire hose couplings（）.
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（）.
Generally，the first action in extinguishing an LFG fire caused by escaping gas is to（）.