EPA 608 Core Study Guide Questions with correct answers

A "compound gauge": Correct Answer - Can only be used for low pressures - Has different unit scales According to EPA regulations, when system flushing is required following a compressor burnout, the following refrigerant must be used: Correct Answer - System flushing with refrigerants is illegal A CFC contains: Correct Answer - Chlorine, fluorine, carbon A CFC - 11 cylinder is: Correct Answer - Orange An HFC-134a cylinder is: Correct Answer - Sky blue or pale blue A chlorine atom will combine with an ozone molecule to form: Correct Answer - Chlorine Monoxide An HCFC contains: Correct Answer - Hydrogen, chlorine, fluorine, carbon An HFC contains the following chemicals: Correct Answer - Hydrogen, fluorine, carbon Alkylbenzene lubricants are associated with: Correct Answer - Ternary blends