A.Steering gear and windlass
B.Navigation light and radio power panel
C.Navigation device power box
D.Daily fresh water pump
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A.Deck machinery
B.Little power load
C.Some important load
D.stationary submersible pump
A.Megohm meter, insulation light and synchroscope
B.Synchroscope, synchro light and megohm meter
C.Shore power switch, insulation light and synchroscope
D.Megohm meter, insulation light and shore power switch
A.Paralleling panel
B.Load panel
C.Emergency generator control pane
D.Main generator control pane
A.load panel
B.emergency generator control panel
C.battery changing and discharging panel
D.paralleling panel
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
最新試題
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The condensers located in various stages of a flash evaporator are cooled by（）
The shipboard oil pollution emergency plan will be invalid after （）
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 （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which of the following items don’t belong to dock repair works?（）
If separating effect is not good, which measure should be taken （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）