單項(xiàng)選擇題One hour before sailing, the duty engineer and officer should check （）

A.tachometer and engine telegraph
B.oil and water reserves
C.clock and engine telegraph and test the rudder
D.crews


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1.單項(xiàng)選擇題When stand-by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the （）

A.engine room logbook
B.voyage logbook
C.engine room logbook or voyage logbook
D.engine room logbook and voyage logbook

2.單項(xiàng)選擇題（） is (are) not power supplied by main switchboard directly.

A.Steering gear and windlass
B.Navigation light and radio power panel
C.Navigation device power box
D.Daily fresh water pump

3.單項(xiàng)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

4.單項(xiàng)選擇題（）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

5.單項(xiàng)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