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Which outcome occurs when undissolved gas transitions into cavitation when pressure falls in a hydraulic actuator?

A)Increased actuator response time
B)Higher actuator output force
C)Reduced material stress concentration
D)Elevated fluid bulk modulus

💡 Explanation

Reduced pressure induces cavitation that leads to the formation of vapor bubbles, which then expand and collapse randomly; because this two-phase state reduces the oil stiffness, it introduces compressibility and slows response, therefore lower actuator response time results, rather than a higher actuation force.

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