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

The speed at which turbine runner will be damaged
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 corresponding to maximum overload permissible

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Hydraulics and Fluid Mechanics in ME
Which of the following is an incorrect statement ?

None of these
Coefficient of contraction of a venturimeter is unity
Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
Flow nozzle is cheaper than venturimeter but has higher energy loss

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