Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Directly proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of a reaction turbine, is the ratio of

None of these
Work-done on the wheel to the energy (or head of water) actually supplied to the turbine
Power produced by the turbine to the energy actually supplied by the turbine
Actual work available at the turbine to energy imparted to the wheel

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Hydraulics and Fluid Mechanics in ME
Venturimeter is used to

Measure the velocity of a flowing liquid
Measure the pressure of a flowing liquid
Measure the discharge of liquid flowing in a pipe
Measure the pressure difference of liquid flowing between two points in a pipe line

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