单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

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