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【单选题】

When steering by autopilot,how often should the steering be checked?()

A、12 times on each watch

B、When time allows

C、At least once a watch

D、No checking is necessary

更多“When steering by autopilot,how often should the steering be checked?()”相关的问题
第1题

A、ram relief valves bypass oil to stop rudder movement  B、six-way valve shifts to the neutral flow position  C、steering pump electric motor is de - energized by the transfer switch  D、follow-up gear takes the hydraulic pump off stroke  

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第2题

A、apply the relevant Steering and Sailing Rules as a power-driven vessel  B、apply the relevant Steering and Sailing Rules as a Sailing vessel  C、apply the relevant Steering and Sailing Rules as a vessel not under command  D、apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation  

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第3题

A、a motor-driven steering wheel  B、a pneumatic steering wheel  C、a hand-driven steering wheel  D、an electric steering wheel  

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第4题

A、a motor-driven steering wheel  B、a pneumatic steering wheel  C、a hand-driven steering wheel  D、an electric steering wheel  

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第5题

A、A.modulating the oil flow with the six-way valve  B、B.moving the automatic pressure differential valve  C、C.moving the receiving telemotor which regulates the tow-way valve  D、D.varying the eccentricity of a floating ting or angle of a tilting box  

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第8题

A、A.transmitter at the steering station and a receiver at the steering engine  B、B.reversible motor at the steering station geared to the steering pumps  C、C.small induction motor on the bridge which controls the redder through pulleys  D、D.variable displacement hydraulic pump driven by a reversible DC motor  

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第9题

A、steering gear  B、turning gear  C、steering wheel  D、turning cycle  

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