單項選擇題

（）are supplied by main switchboard directly.

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

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單項選擇題

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

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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（）are supplied by main switchboard directly.

你可能感興趣的試題

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

Emergency generator is installed on board mainly to （）

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