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← ScienceWhich risk increases when laminar flow transitions to turbulence within a pump?
A)Increased impeller blade cavitation erosion✓
B)Decreased pump head pressure output
C)Higher net positive suction head
D)Lower overall pump efficiency initially
💡 Explanation
Increased turbulence introduces localized low-pressure zones, leading to bubble formation and collapse via cavitation; therefore, impeller blade erosion increases because cavitation implosions damage material rather than a smooth flow decrease the pump's output.
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