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...Unit refrigeration cycle structure introduction objectives vapour compression simple theoretical with saturated after conditions for highest cop carnot temperature limitations difference between and heat pump cycles absorption system illustrative problems summary answers to saqs the term may be defined as process of removing from a substance under controlled it also includes reducing maintaining body below general its surroundings in other words means continued extraction whose is already refrigerator virtually pumped lower higher according second law thermodynamics this can only performed aid some external work thus obvious that supply power regularly required drive theoretically reversed engine or which pumps cold delivers hot works extract deliver known refrigerant studying you should able know what understand about describe solve problem on basis all systems so basic are discussed here through different diagrams an improved type air suitable working termed used refrigerants general...