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
Control valves of a CO2 system may be located within the protected space when（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Fire and abandon ship stations and duties may be found on the（）.
How does foam extinguish an oil fire?（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Flame screens are used to（）.
Fire hose should be washed with（）.
High-velocity fog（）.
Fusible-link fire dampers are operated by（）.