A.Foam
B.Carbon dioxide
C.Dry chemical
D.Water fog
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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
B.Sand
C.CO2
D.Dry chemical
A.Leaves a residue
B.Cost，relative to other agents
C.Breaks down while under prolonged storage
D.Conducts electricity
A.Electrically non-conductive
B.Relatively inexpensive
C.Effective against chemicals containing an oxidizer
D.All of the above
最新試題
Which statement is FALSE concerning precautions during fueling operations?（）
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When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
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Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
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