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 extinguishing agents used on Class C fires must be（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Control valves of a CO2 system may be located within the protected space when（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Fire may be spread by which means?（）.
How does foam extinguish an oil fire?（）.
Gas masks（）.
Flames from small leaks of LFG may be extinguished by（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.