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

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

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will sink down if

None of these
Gravitational force is less than the up-thrust of the liquid
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid

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