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

Product of theoretical discharge and the actual discharge
Sum of actual discharge and the theoretical 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
When a liquid is flowing through a pipe, the velocity of the liquid is

Maximum at the centre and minimum near the walls
Minimum at the centre and maximum near the walls
Zero at the centre and maximum near the walls
Maximum at the centre and zero near the walls

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