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← TechnologyWhich instability increases when a hydraulic actuator's accumulator pressure is too low?
A)Increased actuator control valve hysteresis
B)Elevated pressure wave induced cavitation✓
C)Reduced structural damping effectiveness overall
D)Accelerated hydraulic fluid thermal expansion
💡 Explanation
Low accumulator pressure increases the risk of hydraulic pressure oscillation induced cavitation because the accumulator cannot dampen these waves effectively; therefore cavitation becomes more probable, rather than hysteresis changes which are related to valve design.
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