Hydraulics and Fluid Mechanics in ME
Hydraulic accumulator is used for

Accumulating oil
Supplying large quantities of oil for very short duration
Supplying energy when main supply fails
Generally high pressures to operate hydraulic machines

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

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

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