The total energy line lies over the hydraulic gradient li... — Answer & Explanation | PrepBeePakistan

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The total energy line lies over the hydraulic gradient line by an amount equal to________________?

Correct answer: A

Explanation

The total energy line (TEL) represents the sum of potential, pressure, and kinetic energy heads. The hydraulic gradient line (HGL) represents the sum of potential and pressure heads. Therefore, the vertical distance between TEL and HGL is exactly the velocity head, which is v²/2g.

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