Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Atmospheric pressure
Pressure in pipes and channels
Pressure in Venturimeter
Difference of pressures between two points in a pipe

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

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