單項(xiàng)選擇題

When should a fire be ventilated?（）

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

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單項(xiàng)選擇題

When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）

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

單項(xiàng)選擇題

When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）

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

When should a fire be ventilated?（）

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When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）

When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）

When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）