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?（）.
When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.
When used to fight fire，carbon dioxide（）.
Which extinguishing agent is the best for use on electrical fires?（）
Which extinguishing agent is most effective on a mattress fire?（）
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Which statement is FALSE concerning precautions during fueling operations?（）