Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

Varies as the square of the radial distance
Increases linearly as its radial distance
Decreases as the square of the radial distance
Increases as the square of the radial distance

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Hydraulics and Fluid Mechanics in ME
Surface tension

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

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