單項(xiàng)選擇題

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?（）

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

你可能感興趣的試題

單項(xiàng)選擇題

In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）

A.the pump going to full stroke
B.closing of the six-way valve
C.driving the rams up against the stops
D.a corresponding slowing or increasing of the pumped flow rate

單項(xiàng)選擇題

As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）

A.in motion, providing a null input
B.not in motion, thus providing a null input
C.in motion, providing an input to place the main pump on maximum stroke
D.in motion, providing an input to place the main pump at null stroke

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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?（）

你可能感興趣的試題

In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）

As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精