Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

turbulent flow
steady flow
uniform flow
one dimensional flow

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

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

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