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← ScienceWhich outcome occurs when hydraulic fluid viscosity decreases within a pump?
A)Increased internal leakage within the pump✓
B)Improved volumetric pump efficiency overall
C)Decreased fluid lubricity long-term
D)Higher pressure capabilities permanently
💡 Explanation
Increased internal leakage occurs from reduced viscosity. Reduced viscosity decreases the fluid's resistance to flow leading to higher leak rates across clearances because viscous drag minimizes flow, therefore internal leakage increases rather than lubrication or pressure improvements.
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