A、The six-way valve opens
B、The steering service pump motor is stopped
C、The follow-up gear takes the pump off stroke
D、The cylinder relief valves bypass oil to the suction side the pump
更多“When the helm demands a 20°right rudder movement from an electro-hydraulic steering gear, which of the listed actions will be the FIRST action to happen when this rudder position is attained?（）”相关的问题
A、When the helm is at any angle other than amidships B、When the six-way valve is opened C、When the ram relief valves lift D、When the redder angle is different from the position of the helm
A、A.Course per magnetic steering compass B、B.Gyro error C、C.Variation D、D.Maximum rudder angle previously used
A、From the remote access server in Office2, right-click the demand-dial interface and click Connect. B、From the remote access server in Office1, right-click the demand-dial interface and click Connect. C、From the remote access server in Office1, right-click the demand-dial interface and click Update Routes. D、From the remote access server in Office2, right-click the demand-dial interface and click Update Routes.
A、A.rise when the steam pressure is increased B、B.remain constant as long as the feed pump operates C、C.fall when the steam pressure is decreased D、D.vary as the steam demand changes
A、changing over to hand pump operation B、engaging the trick wheel C、the system has been filled with new oil D、the rudder angle indicator does not match the helm position
A、the expansion valve will move toward the wide open position B、the expansion valve will move toward the closing position C、the feeler bulb will conveys the high temperature D、the superheat degree will raise
A、drop as the boiler warms up B、rise as the boiler warms up C、remain unchanged until the boiler is hot enough D、rise and fall with the steam demand
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