单项选择题
The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.
A.transmitter
B.tele-motor
C.hydraulic ram
D.hydraulic cylinder
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相关考题
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单项选择题
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 -
单项选择题
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 -
单项选择题
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
