Hydraulics and Fluid Mechanics in ME
The increase of temperature results in

increase in viscosity of gas
increase in viscosity of liquid
decrease in viscosity of liquid
decrease in viscosity of gas

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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

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

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