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← ScienceWhich risk significantly increases when the liquid-vapor transition occurs rapidly in a pump?
A)Pump impeller blade cavitation damage✓
B)Reduced motor winding insulation life
C)Increased seal wear from dry-run
D)Elevated lubricating oil thermal breakdown
💡 Explanation
Pump cavitation risk increases dramatically due to rapid liquid-vapor phase changes causing vapor bubbles to collapse violently. This is because localized pressure fluctuations erode the impeller via micro-jets induced by inertial collapse, therefore cavitation damage occurs, rather than electrical or thermal alternatives.
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