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 fire extinguishers are NOT effective when used on which types of fires?（）
Fire and abandon ship stations and duties may be found on the（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
High-velocity fog（）.
Flames from small leaks of LFG may be extinguished by（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Halon extinguishers used on a class C fire should be directed at the（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Gas masks（）.