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
If separating effect is not good, which measure should be taken （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Diesel engine air start system check valves are opened by （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The main purpose of port State control is not to（）
To proceed to the assistance of a ship in distress is（）