Which outcome develops when a pneumatic control valve’s exhaust port becomes obstructed when throttling airflow?

💡 Explanation

When exhaust restriction occurs, the actuator movement becomes irregular because backpressure limits its speed and control, causing oscillation due to uneven force application. Therefore an erratic speed results, not pressure fluctuations, valve erosion, or line spikes all of which require independent malfunctions.

• Which risk increases when a series RLC circuit approaches resonance frequency under high voltage conditions?
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