Compressibility may be defined as the ratio of change in volume of the fluid to the original volume . It can be mathematically expressed as
(change in volume/original volume)*100.
It is often represented in percentage that is why we are multiplying it with 100.
Compressible Fluids:
The fluids in which there is change in volume, density and specific weight occurs due to application of pressure are called as compressible fluids.
Incompressible Fluids:
The fluids in which there is no change in volume, density and specific weight occurs due to change in pressure are known as incompressible fluids.
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