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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Hydraulics and Fluid Mechanics in ME
The total head of a liquid particle in motion is equal to

Pressure head - (kinetic head + potential head)
Kinetic head - (pressure head + potential head)
Potential head - (pressure head + kinetic head)
Pressure head + kinetic head + potential head

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