Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

the nature of the liquid and the solid
any one of the above
both of die above
the material which exists above the free surface of the liquid

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Hydraulics and Fluid Mechanics in ME
Cavitation will begin when

flow 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
pressure is increased

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Hydraulics and Fluid Mechanics in ME
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

All of these
Glass tube is cheaper than a metallic tube
It is not possible to conduct this experiment with any other tube
It is easier to see through the glass tube

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