Hydraulics and Fluid Mechanics in ME
According to fan laws, at constant pressure, the speed capacity and power vary

As square of density
Inversely as square root of density
Directly as the air or gas density
Inversely as density

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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?

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

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