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
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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
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
A.be switched off by the duty officer
B.be switched on by the duty officer
C.be switched off automatically
D.be switched on automatically
A.connect to the busbar when the load increasing
B.supply power specially to charging panel
C.be put into operation during the ship arriving at or leaving port
D.ensure the power supply to critical equipment after the main switchboard out of power
最新试题
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Under MARPOL Code the ship to which it applies has to carry （）
（） is not installed on the main switchboar.
Diesel engine air start system check valves are opened by （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the following items don’t belong to dock repair works?（）