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← TechnologyWhich outcome occurs when hydraulic valve control input signal lags significantly behind system pressure demand?
A)Pressure spikes from fluid hammer arrest
B)Valve stiction from uneven spool forces
C)Actuator oscillations from instability✓
D)Overheating from increased fluid velocity
💡 Explanation
When control signal lags during valve actuation, negative feedback diminishes because the system corrects outdated error signals, causing hunting and potential actuator oscillations due to instability. Therefore, actuator oscillations result, rather than pressure spikes, stiction, or overheating, which are caused by different mechanical or thermal effects.
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