A.shutting off the air supply
B.cooling the fuel to below ignition temperature
C.dispersing the fuel
D.removing the source of ignition
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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
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
最新試題
Fire may be spread by which means?（）.
Good housekeeping on a vessel prevents fires by（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Control valves of a CO2 system may be located within the protected space when（）.
High-velocity fog（）.
Halon from extinguishers used on a class B fire，should be directed（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Firefighting foam is only effective when the foam（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.