Hydraulics and Fluid Mechanics in ME
The Newton's law of resistance is based on the assumption that the

All of these
Space around the body is completely filled with the fluid
Fluid particles do not exert any influence on one another
Planes of the body are completely smooth

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

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

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