donnacm5402 donnacm5402
  • 09-04-2024
  • Physics
contestada

If an R-12 refrigeration system has its air-cooled condensing unit on a 100°F roof and the condenser outlet temperature (refrigerant) is 115°F, with how much sub-cooling is the condenser operating
a. 30°F
b. 15°F
c. 100°F
d. 130°F

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