Hydraulics and Fluid Mechanics in ME
In open channels, the specific energy is the

Kinetic energy plotted above the free surface of water
Total energy measured above the horizontal datum
Total energy measured with respect to the datum passing through the bottom of the channel
Total energy per unit discharge

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Hydraulics and Fluid Mechanics in ME
In a forced vortex motion, the velocity of flow is

directly proportional to the square of its radial distance from the axis of rotation
inversely proportional to its radial distance from the axis of rotation
inversely proportional to the square of its radial distance from the axis of rotation
directly proportional to its radial distance from axis of rotation

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