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

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

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Hydraulics and Fluid Mechanics in ME
In an inward flow reaction turbine

The flow of water is partly radial and partly axial
The water flows parallel to the axis of the wheel
The water enters at the center of the wheel and then flows towards the outer periphery of the wheel
The water enters the wheel at the outer periphery and then flows towards the center of the wheel

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