單項選擇題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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1.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

2.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

4.單項選擇題The oil sludge is burnt in the （）on board I’ll show you the ashes.

A.boiler
B.main engine
C.auxiliary engine
D.incinerator

5.單項選擇題Before dismantling the pipe, would you （）the oil retained in the hose with （）?

A.flash；fresh air
B.wash；fresh water
C.flush；compressed air
D.rush；diesel oil