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

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
Ratio of the work done on the wheel to the energy of the jet
None of these

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Ratio of actual discharge to the theoretical discharge
Product of theoretical discharge and the actual discharge
Sum of actual discharge and the theoretical discharge
Difference of theoretical discharge and the actual discharge

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