A.is effective if used promptly on an oil fire
B.has a greater cooling effect than water
C.is lighter than air
D.is harmless to cargo and crew
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A.use different fire hose pressures
B.use fire hoses of different sizes
C.not attack the fire from opposite sides
D.not wear protective clothing
A.First aid kit
B.Axe or cutting torch
C.Fire extinguisher
D.Chafing gear
A.When attacking the fire directly
B.When using a steam smothering system
C.When using the fixed CO2 system
D.All of the above
A.Blanket the cargo spill with foam
B.Prevent the spread of fire with a foam dam
C.Apply CO2 on burning fuel at its source
D.Shut off the transfer of cargo
A.Secure all engine room doors，hatches，and vents
B.Close the fuel line valve
C.Check the spread of the fire with foam
D.Cast the barge off the wharf
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