单项选择题
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
When towing astern what equipment should be stowed read...
单项选择题When towing astern what equipment should be stowed ready for use near the towline?（）
A.First aid kit B.Axe or cutting torch C.Fire extinguisher D.Chafing gear
When should a fire be ventilated?（）A.When attacking the...
单项选择题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
When possible，what should be the FIRST step in combatin...
单项选择题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
