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← ScienceWhich outcome occurs when hydraulic fluid viscosity increases within an excavator arm?
A)Reduced actuator response time✓
B)Increased fluid flow velocity
C)Decreased pump energy consumption
D)Minimized internal component stresses
💡 Explanation
Reduced actuator response time results because increased hydraulic fluid viscosity elevates fluid resistance, driving momentum transfer reduction via viscous dissipation rather than direct transmission; therefore delays occur, rather than increased flow, because less energy translates to velocity; and dissipation, not pressure increase, dominates impact.
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