A.smothering the burning material
B.chemical combination with burning material
C.absorbing the burning material
D.organic destruction of the burning material
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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
A.penetrates to the bottom of the fire
B.is kept saturated with low-velocity water fog
C.mixes with the burning fuel oil
D.completely covers the top of the burning liquid
最新試題
How does foam extinguish an oil fire?（）.
Gas masks（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Fire alarm system thermostats are actuated by（）.
How is the external flotation bladder of an immersion suit inflated?（）
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Flame screens are used to（）.
Foam extinguishes a fire by（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.