If a liquid-vapour regenerative heat exchanger is installed between suction line and liquid line in simple vapour compression system, then the coefficient of performance of the cycle always increases always decreases increases in case of R12 refrigerant and decreases for R22 and NH3 refrigerants remains unchanged - (5) Question not attempted

Asked in Assistant Eng. (Mechanical) Competitive Examination, 2023 · Topic: Heat and Thermodynamics (Second Law of Thermodynamics (Entropy, Heat Engines, Refrigerators, Carnot Cycle))

1. (1)
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