Question

What is hydraulic grade line?

Answer 1

Answer:

I dont know more about it

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Explanation:

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Answer 2

Answer:

A hydraulic grade line (HGL) is: 'A theoretical line showing the sum of the pressure elevation heads of a flow relative to a datum. For uniform open-channel flow, the hydraulic grade line is the same as the water surface. The slope of the hydraulic grade line is the hydraulic gradient. '

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