In a fixed displacement axial piston hydraulic motor, the speed is varied by .
A.regulating the ratio between torque and speed via the torque limiter at the motor
B.directing the motor output flow through a bypass line
C.maintaining a constant flow and pressure input
D.controlling the input flow rate
第1题
A.fire control plan
B.certificate of inspection
C.muster list
D.ships articles
第2题
A.power and intake
B.intake and exhaust
C.exhaust and compression
D.compression and power
第3题
A.Manually trip the over-speed device
B.Interrupt the fuel flow to the engine
C.Disengage the safety interlock
D.Slide the camshaft to the neutral position
第4题
A.expand
B.extract
C.increase
D.decrease
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