Hydraulics and Fluid Mechanics in ME
The power developed by a turbine is (where H = Head of water under which the turbine is working)

Directly proportional to H3/2
Inversely proportional to H3/2
Inversely proportional to H1/2
Directly proportional to H1/2

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Hydraulics and Fluid Mechanics in ME
Coefficient of resistance is the ratio of

Actual velocity of jet at vena-contracta to the theoretical velocity
Area of jet at vena-contracta to the area of orifice
Loss of head in the orifice to the head of water available at the exit of the orifice
Actual discharge through an orifice to the theoretical discharge

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