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
(A) Increase
(B) Decrease
(C) Remain unchanged
(D) Increase or decrease depending on the pipe material

1 Answer

Answer :

(A) Increase

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