Hydraulics and Fluid Mechanics in ME
Surface tension

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

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will sink down if

None of these
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid

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