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Which outcome occurs when a hydraulic actuator, used for rapid, cyclical positioning in an automated robotics assembly line, experiences accumulator pre-charge depletion?

A)Increased actuator response time
B)Reduced system hydraulic pressure
C)Higher fluid bulk temperature
D)Decreased pump motor current

💡 Explanation

Reduced accumulator pre-charge weakens pressure stabilization during valve switching; this causes cavitation. Response time subsequently increases because the servo valve hesitates more at reversal; therefore, the response slows down rather than experiencing immediate sharp cutoff due to proper pre-charge.

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