Hydraulics and Fluid Mechanics in ME
Surface tension

Is a function of the curvature of the interface
Is also known as capillarity
Decreases with fall in temperature
Acts in the plane of the interface normal to any line in the surface

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Hydraulics and Fluid Mechanics in ME
Cavitation will begin when

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

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