Hydraulics and Fluid Mechanics in ME
Centre of buoyancy always

remains below the centre of gravity
remains above the centre of gravity
coincides with the centroid of the volume of fluid displaced
coincides with the centre of gravity

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Hydraulics and Fluid Mechanics in ME
The meatcentric height is the distance between the

Original centre of buoyancy and new centre of buoyancy
Centre of gravity of the floating body and the metacentre
Metacentre and centre of buoyancy
Centre of gravity of the floating body and the centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach)

(2/3) Cd × L.√2g [H1 - Ha]
(2/3) Cd × L.√2g [H12 - Ha2]
(2/3) Cd × L. √2g [H13/2 - Ha3/2]
(2/3) Cd × L. √2g [H15/2 - Ha5/2]

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