During sea trial, the main engine well

1、During the watch keeping at sea, at ap

During the watch keeping at sea, at appropriate intervals inspection should be made of （）, auxiliary machinery and steering gear spaces by the duty engineer.Athe main propulsion plantBlifesaving jacketsClifeboat engineDstate of emergency generator

2、The（）is a series of trials done at sea

The（）is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.ASea trialBBed-testCEngine performanceDPSC inspectio

3、Main engines as well as auxiliary engi

Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles（）AfilteringBcentrifugingCdepositingDoperating

4、Since the engine doesn’t work well, yo

Since the engine doesn’t work well, you’d better （） as soon as possible.Areduce its speedBfind out its troubleCeliminate its troubleDall the above

5、During the dock repair, each sea valve

During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve...

6、During the diesel engine running, the

During the diesel engine running, the water level of FW expansion tank should normally kept in the （） level of glass tube.Athe highestBabove 3/4C1/2-3/4Dthe lowest