The sequence valve acts as ___________ in the hydraulic system.()
A. pressure stabilization;
B. decompression;
C. pressure switch;
D. safety protection.
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The flow control valve is used to control the flow of the hydraulic system, so as to control the actuator's ().
A. direction of movement;
B. speed
C. pressure
D. output force
In the large flow hydraulic system, what type of directional control valve should be used? ()
A. electromagnetic
B. electro-hydraulic
C. manual
D. mechanical
When overflow exists in the fixed pressure relief valve, it can maintained____ stable. ()
A. inlet pressure of the valve
B. outlet pressure of the valve
C. inlet and outlet pressure of the pump
D. the actual flow of the pump
The speed regulating valve is made of ().
A. throttle valve and constant pressure reducing valve in series
B. throttle valve and sequence valve in series
C. throttle valve and constant pressure reducing valve in parallel
D. throttle valve and sequence valve in parallel
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