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

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

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Hydraulics and Fluid Mechanics in ME
The total energy of a liquid particle in motion is equal to

Pressure energy - (kinetic energy + potential energy)
Potential energy - (pressure energy + kinetic energy
Pressure energy + kinetic energy + potential energy
Kinetic energy - (pressure energy + potential energy)

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