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

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

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Hydraulics and Fluid Mechanics in ME
Runaway speed of a hydraulic turbine is

Full load speed
The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open
The speed at which turbine runner will be damaged
The speed corresponding to maximum overload permissible

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