A.save network cost
B.improve the reliability of supplying power to important load
C.prevent sequence reverse
D.increase the power factor of important load
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A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
A.Control panel
B.Load panel
C.Paralleling panel
D.Busbar
A.Busbar
B.Load panel of main generator
C.Paralleling panel
D.Shore connection box
A.Control panel of main generator
B.Control panel of emergency generator
C.Paralleling panel
D.Load panel of main generator
A.Suez Canal searchlight, air compressor and air conditioning compressor
B.Air compressor, boiler blower and refrigeration plant
C.Boiler blower, Suez Canal searchlight and refrigeration plant
D.Suez canal searchlight, air compressor and boiler blower
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The treatment of the fuel oils involves storage, heating, filtering and（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To proceed to the assistance of a ship in distress is（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）