In the complete turbulence zone (in rough pipes), the Options: A . &nbspRough and smooth pipes have the same friction factor B . &nbspLaminar film covers the roughness projections C . &nbspFriction factor depends upon NRe only D . &nbspFriction factor is independent of the relative roughness

In the complete turbulence zone (in rough pipes), the

Question

In the complete turbulence zone (in rough pipes), the

Options:

A . Rough and smooth pipes have the same friction factor

B . Laminar film covers the roughness projections

C . Friction factor depends upon NRe only

D . Friction factor is independent of the relative roughness

Answer: Option D

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