Hydraulics and Fluid Mechanics in ME
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

one-fourth its value when cylinder was full
cannot be predicted from the given data
zero
one-half its value when cylinder was full

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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?

The metal piece will be immersed in mercury by half
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
Metal piece will sink to the bottom

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