HomeEngineeringFriction factor for a hydraulically smooth pipe at NRe = 2100 is f₁. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will 6483. Friction factor for a hydraulically smooth pipe at NRe = 2100 is f₁. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, willBy Admin / September 7, 2025 Increase Decrease Remain unchanged Increase or decrease depending on the pipe material ✅ The correct answer is option A.
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