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
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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
A.closing the compartment except for the ventilators
B.completely closing the compartment
C.leaving the compartment open to the air
D.increasing the air flow to the compartment by blowers
A.salt water and a wire brush
B.caustic soap
C.mild soap and fresh water
D.a holystone
最新試題
Fire and abandon ship stations and duties may be found on the（）.
Flame screens are used to（）.
Halon from extinguishers used on a class B fire，should be directed（）.
Control valves of a CO2 system may be located within the protected space when（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
Fire alarm system thermostats are actuated by（）.
Fire hose couplings（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Flames from small leaks of LFG may be extinguished by（）.
Fire may be spread by which means?（）.