Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

is independent of pressure for very high pressure intensities
increases with increase in temperature
is independent of temperature
decreases with increase in temperature

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

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

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