單項選擇題

The transmission system is the means （）the movement of the rudder is accomplished.

A.by which
B.to which
C.in which
D.at which

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單項選擇題

Deck machinery, which is also known as hull machinery, includes all power driven equipment located （）the machinery spaces that is （） with the main propulsion plant.

A.inside；associated
B.inside；not associated
C.outside；associated
D.outside；not associated

單項選擇題

In boilers, besides maintaining the burner atomizers, air diffuser vanes, fuel temperature, forced draft fan, fuel pump and other hardware in good condition, there are some adjustments on the （）that can produce a good flame for the most efficient operation.

A.fuel-air ratio
B.compression ratio
C.fuel rack
D.viscosity index

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