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Mechanical Properties of Fluids
Question
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Name the processes which involve in the working of refrigerator.

Answer

The various processes which take place in the working of the refrigerator are:
(i) Adiabatic compression of working substance (ideal gas) outside the room of refrigerator. 
(ii) Cooling of adiabatically compressed working substance. 
(iii) Adiabatic expansion of cooled working substance inside the room of refrigerator.

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