Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Atmospheric pressure
Pressure in Venturimeter
Difference of pressures between two points in a pipe
Pressure in pipes and channels

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

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
The speed at which turbine runner will be damaged
Full load speed

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