A.kept in nonmetal containers
B.discarded as soon as possible
C.cleaned thoroughly for reuse
D.kept in the paint locker
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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.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call the local fire department
A.smothering the burning material
B.chemical combination with burning material
C.absorbing the burning material
D.organic destruction of the burning material
A.allowing better access in an emergency
B.eliminating potential fuel sources
C.eliminating trip hazards
D.improving personnel qualifications
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.the discharge valve is open
B.the control box glass is broken
C.pressure from the control cylinders is detected
D.the control cylinders have been completely discharged
A.It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track
B.It is inflated by a small CO2 bottle that is manually tripped
C.It is inflated by blowing through an inflation tube
D.It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.By cooling the oil below the ignition temperature
B.By removing the fuel source from the fire
C.By excluding the oxygen from the fire
D.By increasing the weight of the oil
最新試題
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by().
Foam extinguishes a fire by().
How does foam extinguish an oil fire?().
Fire and abandon ship stations and duties may be found on the().
Foam is a very effective smothering agent and().
Halon fire extinguishers are NOT effective when used on which types of fires?()
Foam extinguishes a fire by().
Except in rare cases,it is impossible to extinguish a shipboard fire by().
Good housekeeping on a vessel prevents fires by().
How is the external flotation bladder of an immersion suit inflated?()