A.two
B.three
C.four
D.five
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A.usually
B.commonly
C.exceptional
D.unavoidably
A.An alternator
B.An electric motor
C.A diesel engine
D.A main switchboard
A.Cooling system
B.Alarm system
C.The air conditioning installation
D.The mooring equipment
A.pressure
B.velocity
C.flow rate
D.temperature
A.permissibly
B.permissible
C.no permissible
D.not permissible
最新試題
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Diesel engine air start system check valves are opened by （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Using a file without a handle may result in （）
The shipboard oil pollution emergency plan will be invalid after （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The condensers located in various stages of a flash evaporator are cooled by（）
The cetane rating of diesel fuel is an indication of the （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）