Hydraulics and Fluid Mechanics in ME
Which of the following is an incorrect statement ?

None of these
Coefficient of contraction of a venturimeter is unity
Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
Flow nozzle is cheaper than venturimeter but has higher energy loss

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

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