A.cooling
B.chemical action
C.smothering
D.inerting the air
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A.smothering the burning material
B.chemical combination with burning material
C.absorbing the burning material
D.organic destruction of the burning material
A.shutting off the air supply
B.cooling the fuel to below ignition temperature
C.dispersing the fuel
D.removing the source of ignition
A.utilizing carbon dioxide or dry chemical fire extinguishers
B.utilizing soda and acid fire extinguishers
C.blowing the flames out
D.letting it burn itself out
A.contain flammable fumes
B.protect firefighters from flames
C.prevent flames from entering tanks
D.keep flames and sparks from getting out of an engine's exhaust system
A.the paint locker
B.spaces open to the atmosphere
C.cargo holds
D.the engine room
最新試題
Fire and abandon ship stations and duties may be found on the（）.
Firefighting foam is only effective when the foam（）.
How do you operate a portable CO2 fire extinguisher?（）.
Halon extinguishes fire primarily by（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
Halon extinguishes a fire by（）.
Foam extinguishes a fire mainly by（）.
Fire hose couplings（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Control valves of a CO2 system may be located within the protected space when（）.