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← TechnologyWhich consequence results when a servovalve experiences excessive stiction in an industrial hydraulic actuator?
A)Hydraulic noise and pressure pulsations
B)Rapid thermal runaway of fluid
C)Complete system-wide fluid contamination
D)Inaccurate or unstable positioning control✓
💡 Explanation
Inaccurate or unstable positioning control is a consequence because `stiction` causes erratic spool movement rather than the intended smooth, proportional control. Therefore, the actuator's motion becomes jerky, rather than precise, because the valve cannot accurately modulate flow.
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