Question: Problem 8 . 4 . 2 A person with no experience in fluid mechanics wants to estimate the friction factor for 1 - in .

Problem 8.4.2
A person with no experience in fluid mechanics wants to estimate the friction factor for 1-in.-diameter galvanized iron pipe at a Reynolds number of 8000. The person stumbles across the simple equation of f=64Re and uses this to calculate the friction factor. Explain the problem with this approach and estimate the error.
Problem 8 . 4 . 2 A person with no experience in

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