Hydraulics Exam Questions with Answers

Hydraulics Exam Questions with Answers If a hydraulic system is in continuous operation, and is equipped with an air cooled heat exchanger, the fan should __________. - Answer-be in continuous operation as long as the main pump prime mover is in operation In which of the listed hydraulic systems will the installation of an oil cooler be necessary? - Answer-Constant tension mooring winch system In a shell-and-tube type hydraulic fluid cooler, the amount of heat transferred from the hydraulic fluid to the cooling water depends upon __________. - Answer-all of the above Overheating of the oil in a hydraulic system can be caused by . - Answer-continuous leakage through the pressure relief valve While starting a hydraulic anchor windlass, you observe that hydraulic pressure does not develop in spite of the proper operation of the electric drive motor. Which of the following actions should you take FIRST to restore pressure? - Answer-Make certain that the hydraulic reservoir is filled to the proper level. You press start button on the hydraulic power unit shown in the illustration, and the motor does not start. The first thing you should check is the. Illustration GS-0161 - Answer-controller circuit breaker Overheating of a hydraulic system may be a result of . - Answer-incorrect fluid viscosity If a hydraulic pump is producing a noisy whine when in operation, the cause may be? - Answer-an air leak in the pump suction line above the oil level in the reservoir A hydraulic fluid flow control circuit, used to control linear actuator speed during retraction, with the pump operating at above maximum pressure, is known as a __________. - Answer-metered-out circuit