Hydraulics and Fluid Mechanics in ME
Coefficient of velocity is defined as the ratio of

Actual velocity of jet at vena contracta to the theoretical velocity
Actual discharge through an orifice to the theoretical discharge
Area of jet at vena contracta to the area of orifice
None of these

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

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

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