Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is August 8, 2022 by admin Question: Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is [A]. 3 [B]. 5 [C]. 0.5 [D]. 1.5 Answer: Option B Explanation: No answer description available for this question.