modulating the oil flow with the six-way valve
moving the automatic pressure differential valve
moving the receiving telemotor which regulates the tow-way valve
varying the eccentricity of a floating ting or angle of a tilting box
第1题：
When the steering gear is in operation, you should ______.
A.check hydraulic oil levels every hour
B.check the rams for overheating
C.check for excessive oil leakage from rams
D.drain water from tele-motor cylinders each watch
第2题：
When the helm is turned on the navigation bridge，which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear ________．
A.The pumps go to full stroke
B.The six-way valve aligns itself with the running pump
C.Both port and starboard cables are energized
D.The synchronous receiver turns，duplicating the helm motion
第3题：
When steering by autopilot, how often should_______steering be checked?
A.every day
B.when time allows
C.At least once a watch
D.No checking is necessary
第4题：
留心操舵。（）
第5题：
第6题：
When steering by hand，which of the following may be a functional input to the steering gear as a result of turning the wheel ________．
A.Non-follow-up
B.Rudder adjustment
C.Weather adjustment
D.All the above may be activated
第7题：
In an electro-hydraulic steering system, rudder movement is maitained in close synchronization with the steering wheel position by means of the ______.
A.trick wheel
B.follow-up control
C.six-way valve
D.Rapson slide
第8题：
The follow-up gear on an electro-hydraulic steering gear
A.relieves excessive fluid pressure
B.takes the pump off stroke when the desired rudder angle is attained
C.allows for rudder movement faster than the movement of the ship&39;s
D.returns the rudder to amidships when the wheel is release
第9题：
第10题：
The sailor on gangway watch should （）.