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
High-velocity fog（）.
Flame screens are used to（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
Good housekeeping on a vessel prevents fires by（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Flames from small leaks of LFG may be extinguished by（）.
How does foam extinguish an oil fire?（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.