Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Inversely proportional to N
Directly proportional to N²
Directly proportional to N
Inversely proportional to N²

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

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity is the

Product of absolute viscosity and density of the liquid
Ratio of absolute viscosity to the density of the liquid
Product of absolute viscosity and mass of the liquid
Ratio of density of the liquid to the absolute viscosity

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