Hydraulics and Fluid Mechanics in ME
The total head of a liquid particle in motion is equal to

Kinetic head - (pressure head + potential head)
Pressure head + kinetic head + potential head
Pressure head - (kinetic head + potential head)
Potential head - (pressure head + kinetic head)

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Hydraulics and Fluid Mechanics in ME
A hydraulic press is a device used

All of these
To lift larger load by the application of a comparatively much smaller force
To store pressure energy which may be supplied to a machine later on
To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure

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