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

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

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Hydraulics and Fluid Mechanics in ME
Two dimensional flows occurs when

The magnitude and direction of the velocity do not change from point to point in the fluid
The velocity of successive fluid particles, at any point, is the same at successive periods of time
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
The direction and magnitude of the velocity at all points are identical

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