A.conduction
B.radiation
C.convection
D.advection
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A.remain the same
B.increase
C.decrease
D.none of the above
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
最新試題
The cetane rating of diesel fuel is an indication of the （）
To proceed to the assistance of a ship in distress is（）
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?（）
Using a file without a handle may result in （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
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 （）