Hydraulics and Fluid Mechanics in ME
Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

High initial and maintenance cost
Lower discharge
Lower speed of operation
Necessity of air vessel

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Hydraulics and Fluid Mechanics in ME
Meta-centric height is given as the distance between

The center of gravity of the body and the center of buoyancy
The center of gravity of the body and the center of pressure
The center of gravity of the body and the metacenter
Center of buoyancy and metacenter

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