Hydraulics and Fluid Mechanics in ME
The wake

always occurs before a separation point
is a region of high pressure intensity
None of these
always occurs after a separation point

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

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

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