單項選擇題Emergency generator is installed on board mainly to ()

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


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1.單項選擇題()is not installed on the emergency switchboard.

A.Ammeter
B.Voltmeter
C.Wattmeter
D.Synchroscope

2.單項選擇題()belongs to emergency power supplying equipments.

A.argo winch
B.Windlass
C.Steering gear
D.Air compressor

3.單項選擇題()belongs to emergency power supplying equipments.

A.Emergency fire pump
B.Windlass
C.Main sea water pump
D.Fresh water pump

4.單項選擇題()belongs to emergency power supplying equipments.

A.Accommodation lighting
B.Windlass
C.Main sea water pump
D.Compressor

5.單項選擇題()belongs to emergency power supplying equipments.

A.Navigation lamp
B.Windlass
C.Main sea water pump
D.Compressor