Hydraulics and Fluid Mechanics in ME
Working principle of dead weight pressure gauge tester is based on

Avogadro’s hypothesis
Dalton’s law of partial pressure
Newton’s law of viscosity
Pascal’s law

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Hydraulics and Fluid Mechanics in ME
The conditions for the stable equilibrium of a floating body are

the center of buoyancy and the center of gravity must lie on the same vertical line
a righting couple should be formed
all the above are correct
the meta-center should lie above the center of gravity

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