EPA Certification Exam Questions and Answers Graded A

EPA Certification Exam Questions and Answers Graded A Which Refrigerants contain the most chlorine? - Answer ️️ -CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - Answer ️️ -July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - Answer ️️ -HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - Answer ️️ -Chlorine Stratospheric ozone consists of: - Answer ️️ -Three oxygen atoms Stratospheric ozone depletion is a _________ problem: - Answer ️️ -Global The Gas in the stratosphere that protects us from ultraviolet radiation is: - Answer ️️ -Ozone Which refrigerant is a CFC? - Answer ️️ -R-12 Which refrigerant is an HCFC? - Answer ️️ -R-123 & R-22 Which refrigerant is an HFC? - Answer ️️ -R-134a Which refrigerant contains no chlorine? - Answer ️️ -R-134a The Molecule found in the stratosphere that indicates stratospheric ozone depletion is taking place is: - Answer ️️ -Chlorine monoxide The following actions would violate the clean air act (CAA): - Answer ️️ -Knowingly releasing Class 1 Class 2 substances failing to keep or falsifying required records failing to tech the required evacuation levels before opening a systems to the atmosphere for service One time (disposable) refrigerant cylinders are used for: - Answer ️️ -Virgin refrigerant The rule of thumb for refilling approved cylinders is a maximum of _____ percent liquid? - Answer ️️ -80%