Hydraulics and Fluid Mechanics in ME
The flow rate in gear pump

Unpredictable
More or less remains constant with increase in pressure
Increases with increase in pressure
Decreases with increase in pressure

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe
Work-done per kN of water Losses within the impeller
Energy per kN at outlet of impeller Energy per kN at inlet of impeller
All of these

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