Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

Q/0.75
0.75 Q
Same quantity of liquid
1.5 Q

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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 per unit discharge
Total energy measured with respect to the datum passing through the bottom of the channel

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