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← ScienceWhich outcome occurs when hydraulic fluid velocity increases past limits inside a feedback valve controlled by a PID system?
A)Increased valve position oscillation✓
B)Reduced system overshoot damping
C)Decreased pressure regulator setpoint
D)Minimal actuator position sensitivity
💡 Explanation
Increased valve position oscillation results because increased velocity causes turbulence and therefore the control valve spool experiences chaotic fluctuations due to boundary layer separation, specifically flow separation rather than smooth laminar flow.
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