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← TechnologyWhich risk significantly escalates when hydraulic actuator fluid bulk modulus decreases due to air entrainment?
A)Actuator position overshoot on rapid command changes✓
B)Increased power consumption during steady-state holding
C)Elevated fluid temperature due to increased throttling
D)Premature wear from high-frequency pressure oscillations
💡 Explanation
When bulk modulus decreases due to air entrainment, the fluid becomes more compressible, altering the actuator's dynamic response time and damping characteristics. Therefore, position overshoot results mainly due to decreased stiffness rather than increased power consumption, fluid throttling, or premature wear which stem from different underlying issues.
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