Hydraulics and Fluid Mechanics in ME
The flow in a pipe or channel is said to be non-uniform when

The liquid particles at all sections have the same velocities
Each liquid particle has a definite path
The quantity of liquid flowing per second is constant
The liquid particles at different sections have different velocities

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Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Original centre of buoyancy and new centre of buoyancy
Centre of gravity of the floating body and the metacentre
Centre of gravity of the floating body and the centre of buoyancy
Metacentre and centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
Surface tension

Decreases with fall in temperature
Acts in the plane of the interface normal to any line in the surface
Is a function of the curvature of the interface
Is also known as capillarity

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