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消防演习与作业
总共有 47 条题目
消防演习与作业
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1
High-velocity fog（）. A.is a finer，more dif
2
How do you operate a portable CO2 fire ext
3
How is the external flotation bladder of a
4
Flames from small leaks of LFG may be exti
5
How does foam extinguish an oil fire?（）. A
6
Generally，the first action in extinguishin
7
Foam extinguishes a fire by（）. A.shutting
8
Fire hose couplings（）. A.are made of bronz
9
Halon from extinguishers used on a class B
10
Halon fire extinguishers are NOT effective
Halon extinguishers used on a class C fire
Halon extinguishes a fire by（）. A.breaking
Halon extinguishes fire primarily by（）. A.
Fusible-link fire dampers are operated by（
Fire extinguishers of sizes III，IV，and V a
Good housekeeping on a vessel prevents fir
Gas masks（）. A.should be worn while fighti
Foam extinguishes a fire by（）. A.smotherin
Fire may be spread by which means?（）. A.Co
Flame screens are used to（）. A.contain fla
Foam-type portable fire extinguishers are
Foam extinguishes a fire mainly by（）. A.co
Foam is a very effective smothering agent
Fixed CO2 systems would not be used on cre
Firefighting foam is only effective when t
Fire fighting equipment requirements for a
Except in rare cases，it is impossible to e
Fire in an engine compartment is best exti
Fire and abandon ship stations and duties
Fire hose should be washed with（）. A.salt
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