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EPA 608 Core Certification Exam Questions & Verified Answers | CFCs, HCFCs, HFCs, Clean Air Act, Refrigerant Recovery, EPA Regulations, Recovery Equipment, Cylinders, Ozone Protection & Refrigeration Fundamentals | Updated 2026/2027 | Instant Download

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Prepare for the EPA 608 Core certification exam with this comprehensive collection of exam-focused questions and verified answers covering essential refrigerant regulations, Clean Air Act requirements, CFCs, HCFCs, HFCs, ozone depletion, refrigerant recovery, recovery equipment, refrigerant cylinders, system dehydration, compressor burnout procedures, refrigerant handling, and fundamental refrigeration concepts. This resource covers key EPA 608 Core topics including compound gauges, refrigerant system flushing requirements, CFC/HCFC/HFC chemical compositions, refrigerant cylinder identification, ozone chemistry, alkylbenzene lubricants, ternary blends, appliance service apertures, recovery cylinders, cylinder filling limits, superheated refrigerant, refrigerant recovery procedures, graduated charging cylinders, CFC production and import restrictions, EPA recovery-equipment requirements, system dehydration, Clean Air Act violations, technician penalties, and safe refrigerant-cylinder transportation. Key topics covered include: • EPA 608 Core certification • EPA 608 Core exam concepts • Clean Air Act requirements • CFC refrigerants • HCFC refrigerants • HFC refrigerants • CFC chemical composition • HCFC chemical composition • HFC chemical composition • Ozone depletion • Stratospheric ozone protection • Chlorine and ozone reactions • Refrigerant recovery • Refrigerant recovery equipment • EPA-certified recovery machines • Low-loss fittings • Refrigerant cylinders • Recovery cylinders • Disposable and refillable cylinders • Cylinder identification and colors • Cylinder filling limits • Refrigerant transportation • Refrigerant handling • Compound gauges • Pressure gauges • Superheated refrigerant • Refrigerant boiling point • Graduated charging cylinders • Refrigerant vapor recovery • System dehydration • Vacuum procedures • Compressor burnout • System flushing requirements • Alkylbenzene lubricants • Ternary refrigerant blends • Appliance service apertures • Refrigerant venting regulations • CFC phaseout • EPA technician requirements • Clean Air Act penalties • Refrigeration fundamentals The material is useful for HVAC/R students, refrigeration technicians, trade-school learners, EPA certification candidates, and professionals reviewing foundational refrigerant-handling and environmental-regulation concepts. The questions focus on terminology, regulations, equipment, refrigerant properties, recovery procedures, and technician responsibilities commonly associated with EPA 608 Core preparation. Instant Download provides convenient access to an organized EPA 608 Core exam review resource for focused certification study.

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EPA 608 Core Exam
Questions Verified and
Provided with A+
Graded Answers Latest
Updated 2026

,A "compound gauge":


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:


System flushing with refrigerants is illegal


A CFC contains:


Chlorine, fluorine, carbon




A CFC - 11 cylinder is:


Orange


An HFC-134a cylinder is:


Sky blue or pale blue


A chlorine atom will combine with an ozone molecule to form:


Chlorine Monoxide

, An HCFC contains:


Hydrogen, chlorine, fluorine, carbon


An HFC contains the following chemicals:


Hydrogen, fluorine, carbon



Alkylbenzene lubricants are associated with:


Ternary blends


All appliances currently manufactured or imported into the United States must be
equipped with:


A service aperture or device to enable the removal of refrigerant


A recovery cylinder is:


Gray with yellow top


A refillable cylinder may be filled to a maximum of:


80% of its liquid weight

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