Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

increases with pressure
is large when fluid is more compressible
has the dimensions of 1/pressure
is independent of pressure and viscosity

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

None of these
Gravitational force is more than the up-thrust of the liquid
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid

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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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