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← ScienceWhich consequence results when exceeding a pump's allowed Net Positive Suction Head (NPSH) due to vaporization?
A)Reduced impeller efficiency and cavitation✓
B)Increased fluid kinematic viscosity ratings
C)Decreased system's effective Reynolds number
D)Suppressed turbulent eddy dissipation factor
💡 Explanation
Cavitation occurs when the absolute pressure falls below the fluid's vapor pressure; therefore vapor bubbles form and collapse violently near the impeller surface through the mechanism of fluid vaporization, therefore causing damage and reduced efficiency, rather than altering fluid properties.
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