slightly opened
throttled
fully opened
halfway opened
第1题：
gear
vane
screw
centrifugal
第2题：
The six-way valve opens
The steering service pump motor is stopped
The follow-up gear takes the pump off stroke
The cylinder relief valves bypass oil to the suction side the pump
第3题：
A spur gear pump should be operated with the discharge valves ______.
A.slightly opened
B.throttled
C.fully opened
D.halfway opened
第4题：
maintaining a steadier speed
delivering liquids over greater distances
operating for longer periods of time
producing a smoother discharge flow
第5题：
rack position should be adjusted
compensating needle valve should be opened fully compensating
needle valve should be adjusted to stabilize operation
speed limiting device should be adjusted
第6题：
ram relief valves bypass oil to stop rudder movement
six-way valve shifts to the neutral flow position
steering pump electric motor is de - energized by the transfer switch
follow-up gear takes the hydraulic pump off stroke
第7题：
motor overload would open
relief valve would open
pump would eventually overheat
motor would overheat
第8题：
Which method should be used to warm up the pump turbines prior to discharge ________．
A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B.Run the pump at high speed with the discharge valves closed
C.Run the turbine at slow speed with the pump disconnected
D.Shut the discharge valve and run the pump at slow speed
第9题：
（1），（2）
（2），（3）
（1），（2），（3）
（2）only
第10题：
Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
Run the pump at high speed with the discharge valves closed
Run the turbine at slow speed with the pump disconnected
Shut the discharge valve and run the pump at slow speed