Formula for head loss due to friction - Hydraulics & Pneumatics

Q.  Head loss hf due to friction is given by
- Published on 17 Aug 15

a. 4 ƒ l v2 / g d
b. 4 f2 l ν / 2 g d
c. 2 ƒ l v 2 / 2 g d
d. 4 ƒ l v2 / 2 g d

ANSWER: 4 ƒ l v2 / 2 g d

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