an ammonia refrigeration cycle operates at 616 kpa suction pressure and 1737 kpa condenser pressure, compressor clearance of 5%, refrigeration capacity of 120 kw, compressor efficiency of 80%, mechanical efficiency of 75% and actual volumetric efficiency of 70. determine (a) actual work (b) ideal cop  (c) mass flow rate of ammonia  (d) indicated work (e) brake work (f) volumeteric

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