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

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

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will sink down if

Gravitational force is less than the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid
None of these
Gravitational force is equal to the up-thrust of the liquid

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