Hydraulics and Fluid Mechanics in ME
Francis turbine is best suited for

All types of heads
Low head installation up to 30 m
Medium head application from 24 to 180 m
High head installation above 180 m

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Hydraulics and Fluid Mechanics in ME
Mechanical efficiency of a centrifugal pump is the ratio of

Manometric head to the energy supplied by the impeller per kN of water
Energy supplied to the pump to the energy available at the impeller
Energy available at the impeller to the energy supplied to the pump by the prime mover
Actual work-done by the pump to the energy supplied to the pump by the prime mover

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