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← ScienceWhich outcome reduces pumping efficiency when viscous fluid flow exceeds a turbine's design limits?
A)Elevated turbulent kinetic energy dissipation✓
B)Increased fluid bulk modulus response
C)Cavitation erosion exceeds design threshold
D)Decreased laminar sublayer boundary stability
💡 Explanation
Exceeding a turbine's design limits can trigger turbulence; increased shear stresses accelerate energy dissipation because momentum diffusion increases during turbulent flow, therefore energy converts to heat, rather than useful work, rather than smoother streamline based potential energy use.
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