Question

Two long pipes convey water between two reservoirs whose water surfaces are at different elevations. One pipe has a diameter twice that of the other; both pipes have the same length and the same value of f. If minor losses are neglected, what is the ratio of the flow rates through the two pipes?

Answer 1

1 : 5.66 ≈ 1 : 6

Step-by-step explanation:

Determine the ratio of the flow rates through the two pipes

The flow from the bigger pipe is 5.66 times greater than that from the smaller pipe hence the ratio of the flow rates is : 1 : 5.66

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