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← ScienceWhich outcome occurs when hydraulic fluid viscosity exceeds design limits?
A)Increased pump cavitation and component wear✓
B)Improved seal lubrication reducing energy loss
C)Reduced flow resistance at valves
D)Higher system thermal efficiencies achieved
💡 Explanation
Increased viscosity causes higher hydraulic resistance and pressure drops during **fluid friction**, particularly in tight clearances of vane pumps. This causes localized vacuum because the fluid cannot refill spaces quickly, therefore leading to destructive cavitation damage rather than optimal lubrication profiles.
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