The friction factor for turbulent flow in a hydraulically smooth pipe______________?
Correct answer: C. Depends only on Reynolds number
- A. Depends on the roughness
- B. Does not depend on Reynolds number
- C. Depends only on Reynolds number
- D. None of these
Explanation
In a hydraulically smooth pipe, roughness does not affect the friction factor because it is submerged within the viscous sublayer. The friction factor therefore depends primarily on Reynolds number.
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