【单选题】
The hydraulic （） is used to control engine speed.
A、motor
B、pump
C、governor
D、capstan
查看正确答案A、Hydraulic pumps B、Valve C、Hydraulic cylinders D、Hydraulic motors
搜题
更多“The hydraulic （） is used to control engine speed.”相关的问题
第3题
A、transmit the rudder angle to the bridge indicator B、prevent the control linkage from striking the stops when hard over C、automatically purge all entrained air from the system D、send hydraulic signals to the receiving unit
第5题
A、act as a shock absorber B、maintain the stored oil under pressure C、act as a base or foundation for the power unit D、eliminate pressure surges in the system
第6题
A、Constant pressure system B、Variable pressure system C、Variable displacement system D、Constant volume system
第7题
A、control the back pressure of return oil B、lock the oil lines under some conditions C、change the direction of oil flow D、act as relief valve
第9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
第10题
A、A.excessive internal leakage in the pump B、B.low discharge pressure and fluid flow C、C.excessive fluid level in the hydraulic reservoir D、D.operation of the pump at 100% efficiency
