Chemical Engineering - Fluid Mechanics - Discussion

5. 

The friction factor is

[A]. always inversely proportional to the Reynolds number.
[B]. not dimensionless.
[C]. not dependent on the roughness of the pipe.
[D]. none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Kiran Malete said: (Nov 12, 2015)  
Here not clarify it, whether it is for laminar flow or for turbulence flow, so answer is D.

Alpesh Solanki said: (May 29, 2020)  
Whether it's laminar or turbulent the friction factor is inversely proportional to Nre.

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