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?

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
Whole of the metal piece will be immersed with its top surface just at mercury level

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Hydraulics and Fluid Mechanics in ME
If a vessel containing liquid moves downward with a constant acceleration equal to ā€˜g’ then

there will be vacuum in the liquid
None of these
the pressure in the liquid mass is greater than hydrostatic pressure
the pressure throughout the liquid mass is atmospheric

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Hydraulics and Fluid Mechanics in ME
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

It is not possible to conduct this experiment with any other tube
All of these
It is easier to see through the glass tube
Glass tube is cheaper than a metallic tube

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