单项选择题

After resolving the trouble of main power supply, main switch of emergency generator should（）, if power supply is refreshed.

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

相关考题

Emergency generator is installed on board mainly to （）A...

单项选择题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

（）is not installed on the emergency switchboard.A.Ammet...

单项选择题（）is not installed on the emergency switchboard.

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

（）belongs to emergency power supplying equipments.A.arg...

单项选择题（）belongs to emergency power supplying equipments.

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

船舶电气与船舶安全

After resolving the trouble of main power supply, main switch of emergency generator should（）, if power supply is refreshed.