Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Sum of actual discharge and the theoretical discharge
Product of theoretical discharge and the actual discharge
Ratio of actual discharge to the theoretical discharge
Difference of theoretical discharge and the actual discharge

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

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