Hydraulics and Fluid Mechanics in ME
Buoyant force is

Equal to the volume of liquid displaced
The resultant force acting on a floating body
The force necessary to maintain equilibrium of a submerged body
The resultant force on a body due to the fluid surrounding it

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

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