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Which outcome occurs when a proportional valve causes hydraulic actuator overshoot?

A)Increased settling time oscillations
B)Valve stiction caused by contamination
C)Reduced actuator breakaway pressure
D)Excessive pump energy consumption

💡 Explanation

When a proportional valve commands rapid actuator movement, overshoot occurs because inertia and feedback loop delays cause the actuator to extend beyond the desired position, generating oscillations and settling time. Therefore, increased settling time results, rather than stiction, breakaway pressure reduction, or excessive pump load, assuming a properly tuned system.

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