A.at the top of the flames
B.at the base of the fire near the edge
C.in short quick bursts
D.toward the upwind side of the fire
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A.Fires in electrical equipment
B.Flammable oils and greases
C.Class A fires in ordinary combustibles
D.Materials containing their own oxygen
A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
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
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Halon extinguishes fire primarily by().
Foam extinguishes a fire mainly by().
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when().
Control valves of a CO2 system may be located within the protected space when().
Fire hose should be washed with().
CO2 cylinders,which protect the small space in which they are stored must().
Foam extinguishes a fire by().
Flames from small leaks of LFG may be extinguished by().
Flame screens are used to().
How do you operate a portable CO2 fire extinguisher?().