Hydraulics and Fluid Mechanics in ME
When a liquid is flowing through a pipe, the velocity of the liquid is

Zero at the centre and maximum near the walls
Maximum at the centre and minimum near the walls
Maximum at the centre and zero near the walls
Minimum at the centre and maximum near the walls

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity is defined as the ratio of

Actual discharge through an orifice to the theoretical discharge
None of these
Actual velocity of jet at vena contracta to the theoretical velocity
Area of jet at vena contracta to the area of orifice

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