Hydraulics and Fluid Mechanics in ME
The specific speed of turbine is defined as the speed of a unit

Of such a size that it produces unit horse power with unit head
Of such a size that it delivers unit discharge at unit head
Of such a size that it requires unit power per unit head
Of such a size that it delivers unit discharge at unit power

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Hydraulics and Fluid Mechanics in ME
A floating body is said to be in a state of stable equilibrium

when its metacentric height is zero
when the metacentre is below the centre of gravity
when the metacentre is above the centre of gravity
only when its centre of gravity is below its centre of buoyancy

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