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← TechnologyWhich outcome occurs when a hydraulic pump's volumetric efficiency declines excessively during operation?
A)System pressure drops due to internal leakage✓
B)Fluid temperature decreases with reduced friction
C)Actuator speed increases from optimized flow
D)Component lifespan extends with less stress
💡 Explanation
When volumetric efficiency declines, internal leakage increases because worn seals and clearances allow fluid to bypass the intended flow path, leading to a pressure drop. Therefore system pressure drops, rather than temperature decreasing, actuator speed increasing, or extending lifespan, which rely on different performance characteristics.
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