CFC Core Exam | Questions and Correct Solutions Latest Update

CFC Core Exam | Questions and Correct Solutions Latest Update __are fluorocarbon refrigerants that cause no harm to stratospheric ozone. A.CFCS B.HCFCS C.HFCs D.HalonsTM - Answer - C 2.The Clean Air Act_. A.calls for the phaseout of PFC refrigerant production B.requires that all leaks be fixed within 30 days C.requires OSHA to set standards for the recovery of refrigerants prior to appliance disposal D.prohibits CFC/HCFC venting as of July 1,1992 - Answer - D 3.Refrigerant__is the type of contamination that is the most difficult for a reclaiming facility to eliminate. A.with air B.with moisture C.from an acid burnout D.containing particulate contaminants - Answer - C __is a CFC refrigerant. A.R-134a B.R-123 C.R-22 D.R-12 - Answer - D _is an HCFC refrigerant.A.R-11 B.R-22 C.R-114 D.R-717 - Answer - B __is an HFC refrigerant. A.R-134a B.R-115 C.R-22 D.R-11 - Answer - A The strongest evidence that CFCs are in the stratosphere