A.the paint locker
B.spaces open to the atmosphere
C.cargo holds
D.the engine room
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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
A.are made of bronze，brass，or soft alloy metals
B.should be painted red in order to identify hose lengths
C.are specially hardened to prevent crushing
D.should be greased frequently
最新試題
Flames from small leaks of LFG may be extinguished by（）.
Fire and abandon ship stations and duties may be found on the（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Fire alarm system thermostats are actuated by（）.
Foam extinguishes a fire by（）.
High-velocity fog（）.
Fire may be spread by which means?（）.
Halon extinguishers used on a class C fire should be directed at the（）.
Control valves of a CO2 system may be located within the protected space when（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.