Hydraulics and Fluid Mechanics in ME
Cavitation will begin when

pressure is increased
the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
flow is increased
pressure becomes more than critical pressure

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Hydraulics and Fluid Mechanics in ME
The Euler's equation for the motion of liquids is based upon the assumption that

The velocity of flow is uniform over the section
The fluid is non - viscous, homogeneous and incompressible
All of these
The flow is continuous, steady and along the stream line

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