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← ScienceWhich outcome occurs when hydraulic fluid viscosity decreases within a hydrostatic transmission?
A)Increased internal leakage losses✓
B)Improved pump cavitation resistance
C)Reduced fluid film stiffness
D)Enhanced component thermal efficiency
💡 Explanation
Higher temperatures from decreasing viscosity reduce hydraulic fluid's ability to obstruct flow creating pathways through internal components generating increased leakage; this is because viscous drag decreases. Reduced sealing, therefore, results because the Reynolds number becomes too high leading to turbulence; rather than increased thermal efficiency or less cavitation.
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