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Which mechanism reduces hydraulic pump cavitation when increasing temperature?

A)Viscosity reduction decreases fluid inertia.
B)Bulk modulus increases system stiffness.
C)Density increases collapse pressures.
D)Surface tension resists vapor formation.

💡 Explanation

Cavitation decreases because viscosity reduction allows easier fluid flow through constricted areas, therefore lowering pressure drops. Lower viscosity reduces the fluid’s resistance to acceleration, rather than increases in bulk modulus or changes in surface tension avoiding bubble formation.

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