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

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

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