Friction factor for a hydraulically smooth pipe at N... - Solved MCQs & Answer

1175Chemical EngineeringMedium

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, will________?

ADecrease

BIncrease

CRemain unchanged

DIncrease or decrease depending on the pipe material

Correct answer

B. Increase

Explanation

The correct answer is Increase.

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