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

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

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Hydraulics and Fluid Mechanics in ME
Venturimeter is used to

Measure the pressure difference of liquid flowing between two points in a pipe line
Measure the velocity of a flowing liquid
Measure the discharge of liquid flowing in a pipe
Measure the pressure of a flowing liquid

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