2. A Freon 12 waste water system operating at 5°C suction temperature and a 40°C condensing temperature has an evaporator load of 5 tons. If the condenser is selected for a 7°C water temperature rise, how many gpm must be cicrculated through the condenser? The following enthalpies have been found : condenser entrance = 377 kJ/kg, exit = 238.5 kJ/kg; evaporator entrance = 238.5 kJ/kg, exit = 353.6 kJ/kg

2. A Freon 12 waste water system operating at 5°C suction temperature and a 40°C condensing temperature has an evaporator load of 5 tons. If the condenser is selected for a 7°C water temperature rise, how many gpm must be cicrculated through the condenser? The following enthalpies have been found : condenser entrance = 377 kJ/kg, exit = 238.5 kJ/kg; evaporator entrance = 238.5 kJ/kg, exit = 353.6 kJ/kg

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter3: Refrigeration And Refrigerants

Section: Chapter Questions

Problem 12RQ: The condensing pressure is 260 psig and the condenser outlet temperature is 108F for R-22. By how...

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