A.Water foam
B.Dry chemical powder
C.Water fog
D.Alcohol foam
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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
A.CO2
B.Foam
C.Dry Chemical
D.Water
最新試題
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
Which space(s) on your cargo vessel must have a fire detection system?（）
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 inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
When must a dry chemical fire extinguisher be recharged?（）
Which extinguishing agent is effective in combating an isoprene fire?（）
Where should life jackets be stowed?（）.
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）