A.remain the same
B.increase
C.decrease
D.none of the above
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A.Dry chemical
B.Foam
C.Water
D.Carbon dioxide
A.pump suctions
B.pump discharge
C.fire hydrants
D.hose nozzle
A.In crews accommodation spaces
B.On the navigating bridge
C.In the engine room
D.All of the above
A.remove oxygen from the area
B.smother fire with foam
C.smother fire with CO2
D.cool fuel below ignition temperature
A.low-velocity fog
B.high-velocity fog
C.a straight stream of water
D.foam spray
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
（） is not installed on the main switchboar.
Cold weather starting of a diesel engine may be made easier by（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Under MARPOL Code the ship to which it applies has to carry （）
Which of the following items don’t belong to dock repair works?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）