For turbulent fluid flow in pipe, the expression for Prandtl one seventh power l

Question

For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).

Options:

A . V/Vmax = (x/r)1/7

B . V/Vmax = (r/x)1/7

C . V/Vmax = (x.r)1/7

D . None of these

Answer: Option A

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