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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Suman Kumar
refrigerator or air conditioner consists of a fluid pumped through a closed system. Four steps are involved in the cycle. The fluid passes through a nozzle and expands into a low-pressure area. This is essentially an adiabatic expansion - the fluid vaporizes and cools down.
You are absolutely right Sweta