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← ScienceWhich consequence results when exceeding a pump’s design limits?
A)Increased flow passage turbulence✓
B)Decreased impeller blade cavitation
C)Higher net positive suction head
D)Reduced fluid viscosity effects
💡 Explanation
Exceeding pump design limits increases fluid velocity unevenly; this promotes energy dissipation via turbulence because Reynolds number crosses a critical threshold. Therefore, the turbulence increases, rather than laminar flow, under extreme regimes; cavitation is also more likely.
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