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An 18-in diameter pipeline (L = 30,000 ft, ε = 0.0045 ft) connects 2 water reservoirs....


An 18-in diameter pipeline (L = 30,000 ft, ε = 0.0045 ft) connects 2 water reservoirs. The upstream reservoir elevation is 825 ft and the downstream reservoir elevation is 600 ft.

a) Assume f = 0.023 and calculate steady state flow rate (ft3/sec) in the pipeline


b) Check validity of friction factor assumption if water temperature is 50°F


c) Briefly explain why your calculated velocity in this pipe is acceptable

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