單項選擇題

（）is power supplied by main switchboard directly not through sub-board.

A.Deck machinery
B.Little power load
C.Some important load
D.stationary submersible pump

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（）are located on the road panel of main switchboard.

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

單項選擇題

Insulation light is located on.（） of main switchboard.

A.Paralleling panel
B.Load panel
C.Emergency generator control pane
D.Main generator control pane