A.load panel
B.emergency generator control panel
C.battery changing and discharging panel
D.paralleling panel
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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
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
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
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（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
Which of the following items don’t belong to dock repair works?（）
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.