Epa Universal Qustions And Answers
Which refrigerants contain the most chlorine? - Answer- CFC. R11,R12,R500. As of what date did it become unlawful to intentionally release Class I and Class II refrigerants to the atmosphere? - Answer- July 1 1992. Which refrigerants have the lowest ozone depletion potential (ODP)? - Answer- HFC. R134a. The molecule found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is: - Answer- Chlorine. Stratospheric ozone consists of: - Answer- Three oxygen atoms. Stratospheric ozone depletion is a___problem: a. American b. Global c. Local d. United Nations - Answer- Global. The gas in the stratosphere that protects us from ultraviolet radiation is: a. Radon. b. Sulfur Dioxide. c. Carbon Dioxide. d. Ozone - Answer- Ozone. Which refrigerant is a CFC? a. R-134a. b. R-123. c. R-22. d. R-12. - Answer- R12. Which refrigerant is an HCFC? a. R-134a. b. R-123. c. R-22. d. B and C above. - Answer- D. R123. R22. Which refrigerant is an HFC? a. R-134a. b. R-123.
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