f = 16/NRe, is valid for__________________?
Correct answer: D. None of these
- A. Turbulent flow
- B. Laminar flow through an open channel
- C. Steady flow
- D. None of these
Explanation
The relation f = 16/Re refers to the Fanning friction factor for laminar flow in a circular pipe. Since laminar pipe flow is not listed, none of the given options is correct.
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