A.Foam
B.CO2
C.Dry chemical
D.Water fog
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A.Alcohol foam
B.Dry chemical
C.Chemical foam
D.Water fog
A.Foam
B.Carbon dioxide
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A.CO2
B.Foam
C.Dry Chemical
D.Water
A.Dry chemicals
B.CO2
C.Foam
D.All the above
A.Water
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最新試題
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）
When should a fire be ventilated?（）
When used to fight fire，carbon dioxide（）.
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
Which characteristic is an advantage of Halon as a fire extinguishing medium?（）
Which firefighting method is an example of an indirect attack on a fire?（）.
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
Which precaution should be taken when testing a line throwing gun?（）