Hydraulics and Fluid Mechanics in ME
The Euler's equation for the motion of liquids is based upon the assumption that

The fluid is non - viscous, homogeneous and incompressible
The velocity of flow is uniform over the section
All of these
The flow is continuous, steady and along the stream line

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Hydraulics and Fluid Mechanics in ME
A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury?

Metal piece will sink to the bottom
Whole of the metal piece will be immersed with its top surface just at mercury level
The metal piece will simply float over the mercury
The metal piece will be immersed in mercury by half

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