Hydraulics and Fluid Mechanics in ME
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called

Compressibility of liquid
Specific gravity of liquid
Surface tension of liquid
Density of liquid

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Hydraulics and Fluid Mechanics in ME
When a liquid is flowing through a pipe, the velocity of the liquid is

Maximum at the centre and zero near the walls
Zero at the centre and maximum near the walls
Minimum at the centre and maximum near the walls
Maximum at the centre and minimum near the walls

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