A.Water
B.Foam
C.Dry chemical
D.Carbon Dioxide
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A.Water foam
B.Dry chemical powder
C.Water fog
D.Alcohol foam
A.Manual fire detection system
B.Automatic fire detection system
C.Smoke detection system
D.Watchman's supervisory system
A.Foam
B.CO2
C.Dry chemical
D.Water fog
A.Alcohol foam
B.Dry chemical
C.Chemical foam
D.Water fog
A.Foam
B.Carbon dioxide
C.Dry chemical
D.Water fog
最新試題
Which firefighting method is an example of an indirect attack on a fire?（）.
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
Which precaution should be taken when testing a line throwing gun?（）
Where should life jackets be stowed?（）.
Which extinguishing agent is effective in combating an isoprene fire?（）
When using a high-velocity fog stream in a passageway，the possibility of a blow back must be guarded against. Blow back is most likely to occur when（）.
When used to fight fire，carbon dioxide（）.
Which extinguishing agent is the best for use on electrical fires?（）
Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）