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← TechnologyWhich risk increases when a centrifugal pump impeller's inlet pressure drops?
A)Pump performance erosion by cavitation✓
B)Improved motor cooling efficiency
C)Increased fluid lubricity assurance
D)Reduced mechanical seal wear rate
💡 Explanation
Cavitation risk increases because reduced pressure leads to the fluid flashing into vapor bubbles; implOSION of these bubbles erodes the impeller metal through micro-jetting. Therefore pump performance rapidly degrades, rather than improving, and seal/lubricity remain unaffected.
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