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
Control valves of a CO2 system may be located within the protected space when（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Halon extinguishes a fire by（）.
Foam extinguishes a fire by（）.
Gas masks（）.
How does foam extinguish an oil fire?（）.
Good housekeeping on a vessel prevents fires by（）.
Halon extinguishers used on a class C fire should be directed at the（）.
Fire alarm system thermostats are actuated by（）.