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
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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
A.Ammeter
B.Voltmeter
C.Wattmeter
D.Synchroscope
A.argo winch
B.Windlass
C.Steering gear
D.Air compressor
A.Emergency fire pump
B.Windlass
C.Main sea water pump
D.Fresh water pump
A.Accommodation lighting
B.Windlass
C.Main sea water pump
D.Compressor
最新試題
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Diesel engine air start system check valves are opened by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the following items don’t belong to dock repair works?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）