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

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

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Hydraulics and Fluid Mechanics in ME
A floating body is said to be in a state of stable equilibrium

when the metacentre is above the centre of gravity
when its metacentric height is zero
when the metacentre is below the centre of gravity
only when its centre of gravity is below its centre of buoyancy

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