Hydraulics and Fluid Mechanics in ME
Surface tension

Acts in the plane of the interface normal to any line in the surface
Is a function of the curvature of the interface
Is also known as capillarity
Decreases with fall in temperature

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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
Energy per kN at outlet of impeller Energy per kN at inlet of impeller
Work-done per kN of water Losses within the impeller
All of these

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