Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure difference between two points in a channel
Discharge of liquid
Pressure of liquid
Pressure difference between two points in a pipe

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Hydraulics and Fluid Mechanics in ME
The function of guide vanes in a reaction turbine is to

Allow the required quantity of water to enter the turbine
Allow the water to flow over them, without forming eddies
Allow the water to enter the runner without shock
All of the listed here

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