Hydraulics and Fluid Mechanics in ME
When a liquid is flowing through a pipe, the velocity of the liquid is

Maximum at the centre and zero near the walls
Zero at the centre and maximum near the walls
Maximum at the centre and minimum near the walls
Minimum at the centre and maximum near the walls

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

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

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