Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

the nature of the liquid and the solid
both of die above
any one of the above
the material which exists above the free surface of the liquid

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

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

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

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

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