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← ScienceWhich consequence results when rapid vaporization occurs at impeller surfaces?
A)Pump efficiency intensely drops, due to cavitation✓
B)Overhead power linearly decreases at rated rpm
C)System vibration decreases with damped resonance
D)Net positive suction head improves linearly
💡 Explanation
Pump efficiency dramatically decreases via cavitation because the rapid liquid-to-gas phase change causes bubbles to form and collapse. This violently erodes the impeller rather than maintaining consistent fluid flow, therefore damaging components.
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