A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
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A.contains 15 pounds of CO2
B.weighs 15 pounds when full of CO2
C.has 15 pounds of pressure at the nozzle
D.weighs 15 pounds when empty
A.consealed
B.detained
C.contained
D.kept
A.kept in nonmetal containers
B.discarded as soon as possible
C.cleaned thoroughly for reuse
D.kept in the paint locker
最新試題
Halon extinguishes fire primarily by（）.
How is the external flotation bladder of an immersion suit inflated?（）
Halon from extinguishers used on a class B fire，should be directed（）.
Fire alarm system thermostats are actuated by（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
Fire hose should be washed with（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Halon extinguishes a fire by（）.
Foam extinguishes a fire mainly by（）.