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← TechnologyWhich outcome occurs when a hydraulic actuator operates near its resonant frequency due to cavitation?
A)Increased thermal efficiency of the system
B)Reduced compressive stress on piston rod
C)Harmonic oscillations and accelerated fatigue✓
D)Improved dampening and smoother motion
💡 Explanation
When a hydraulic actuator operates near its resonant frequency with cavitation, alternating pressure waves and imploding bubbles cause energy input synchronizing with system natural frequencies producing structural amplification leading to damage. Therefore harmonic oscillations and accelerated fatigue occurs, rather than improved efficiency or dampening, which requires stable flow conditions.
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