Q
In the complete turbulence zone (in rough pipes), the____________________?
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A
A. Rough and smooth pipes have the same friction factor
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B
B. Laminar film covers the roughness projections
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C
C. Friction factor depends upon nre only
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D
D. Friction factor is independent of the relative roughness
Correct Answer:
D. D. Friction factor is independent of the relative roughness