Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Vortex flow
Steady flow
Turbulent flow
Uniform flow

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Hydraulics and Fluid Mechanics in ME
Two dimensional flows occurs when

The direction and magnitude of the velocity at all points are identical
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
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

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