Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is

Inversely proportional to (diameter)² of its impeller
Directly proportional to diameter of its impeller
Directly proportional to (diameter)² of its impeller
Inversely proportional to diameter of its impeller

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity is the

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
Product of absolute viscosity and density of the liquid

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