Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is the

None of these
Ratio of the work done on the wheel to the energy of the jet
Ratio of the actual work available at the turbine to the energy imparted to the wheel
Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine

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Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Original centre of buoyancy and new centre of buoyancy
Metacentre and centre of buoyancy
Centre of gravity of the floating body and the centre of buoyancy
Centre of gravity of the floating body and the metacentre

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Hydraulics and Fluid Mechanics in ME
The flow ratio of Francis turbine is defined as the ratio of the

Theoretical velocity of jet to the velocity of flow at inlet
None of these
Velocity of runner at inlet to the velocity of flow at inlet
Velocity of flow at inlet to the theoretical jet velocity

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