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← ScienceWhich outcome reduces pipeline pumping efficiency at a given flow rate?
A)Transitional flow induces turbulent dissipation✓
B)Laminar flow lowers friction factor
C)Decreased pressure eliminates instabilities
D)Viscosity reduces flow instabilities easily
💡 Explanation
Transitional flow significantly raises the Reynolds number above its critical threshold, because this initiates strong turbulence. Therefore, turbulent dissipation greatly elevates the friction factor observed, rather than the lower friction inherent to purely laminar flows.
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