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This question belongs to Mechanical Engineering Hydraulics And Fluid Mechanics In ME

Hydraulics and Fluid Mechanics in ME

?

According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, $$l$$ = Length of pipe, v = Velocity of liquid in pipe and d = Diameter of pipe)

A) $$\frac{{{\text{f}}l{{\text{v}}^2}}}{{2{\text{gd}}}}$$ B) $$\frac{{{\text{f}}l{{\text{v}}^2}}}{{{\text{gd}}}}$$ C) $$\frac{{3{\text{f}}l{{\text{v}}^2}}}{{2{\text{gd}}}}$$ D) $$\frac{{{\text{4f}}l{{\text{v}}^2}}}{{2{\text{gd}}}}$$

Answer & Solution

Correct Answer: Option D

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Question posted by Examveda

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Bhavesh Sadafal 7 years ago

it has mentioned Darcy's coefficient instead of friction factor...so that's why multiplied by 4

Asutosh Patel 7 years ago

How??

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