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← ScienceWhich outcome occurs when hydraulic fluid viscosity increases excessively in a backhoe?
A)Reduced actuator response time✓
B)Increased system cooling efficiency
C)Improved pump cavitation resistance
D)Decreased internal leakage losses
💡 Explanation
Increased viscosity elevates fluid resistance, prompting slower hydraulic actuator response because momentum transfer decreases via viscous damping. This is further exacerbated with cooler fluid temperature. Therefore, response declines, rather than improvements, due to heightened fluid resistance and energy absorption.
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