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

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

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Energy per kN at outlet of impeller Energy per kN at inlet of impeller
Work-done per kN of water Losses within the impeller
Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe
All of these

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Hydraulics and Fluid Mechanics in ME
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)

(IG/Ax̅) - x̅
(IG/Ax̅) + x̅
(Ax̅/IG) + x̅
(IG/x̅) - Ax̅

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