Hydraulics and Fluid Mechanics in ME
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

Unpredictable
Lower than the surface of liquid
The same as the surface of liquid
Higher than the surface of liquid

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

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

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