Question: Two sections, A and B, are 4.5 km apart along a 4-m-diameter riveted-steel pipe in its best condition. A is 100 m higher than B.

Two sections, A and B, are 4.5 km apart along a 4-m-diameter riveted-steel pipe in its best condition. A is 100 m higher than B. If the water temperature is 20°C and the pressure heads measured at A and B are 8.3 m and 76.7 m, respectively, what is the flow rate? Assume minor losses are negligible.

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