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
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A.the temperature of the hydraulic fluid
B.the flow rate of the hydraulic fluid
C.the temperature of the cooling water
D.all of the above
A.regulate the fluid flow in either direction
B.restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction
C.allow free movement of hydraulic fluid in both directions
D.allow a restricted fluid flow in one direction only
A.adding small amounts of oil to the system
B.the system has been overheated
C.the system has been drained and then filled with new oil
D.the system has been idle for a long period of time
A.permanent loss of pump suction
B.worn shaft seals
C.high level in the oil sump
D.low motor RPM
A.an improper rudder response
B.hammering noises in the equipment or transmission lines
C.popping or sputtering noises
D.all the above
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