If Blasius or Darcy friction factor is 'f1' then the Fanning friction factor is equal to____________________?
Correct answer: A. f1/4
- A. f1/4
- B. 4f2
- C. 2f1
- D. f1/2
Explanation
The Darcy or Darcy-Weisbach friction factor is four times the Fanning friction factor: f_D = 4f_F. Hence, f_F = f1/4.
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