EPA 608 Certification Exam Guide Questions with Correct Answers Graded A

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% without working compressor, or 4 in Hg AND Required level of evacuation for Low Pressure appliances before this date was 25 inches Hg, after this date 25 mm Hg Nov 14 1994- Certification needed to service, maintain, or dispose of appliances with refrigerants AND Sale of CFC and HCFC refrigerants restricted to certified techs Nov 15 1995- Violation to vent HFCs Dec 31 1995- CFCs no longer produced 15% - Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired when the annual leak rate exceeds _____% 35% - Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant must be repaired when the annual leak rate exceeds _____% 0 0 4 10 4 10 4 15 0 0 - Required Recovery Levels for Type II appliances, before and after 11/15/93: HCFC22 less than 200 lbs = B4-0 After-0 HCFC22 more than 200 lbs= B4-4 After-10 NonHCFC22 less than 200 lbs= B4-4 After 10 NonHCFC22 more than 200 lbs= B4 4 After 15 Very high pressure appliances= B4-0 After-0 Recover all refrigerants. - Section 608 of the Federal Clean Air Act requires technicians to what? The earth's stratosphere. - The objective of the Clean Air Act is to protect what? HydroFlouroCarbon's - HFC's ChloroFluoroCarbon's - CFC's Ozone Depletion Potential - ODP The Montreal Protocol. - Which international treaty agreement was the basis for Section 608? 1.Crop losses 2.Increases in eye diseases 3.Skin Cancer 4.Reduced marine life 5.Deforestation 6.Increased ground level ozone - Depletion of the ozone in the stratosphere is known to cause what 6 things? These atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after colliding with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of chlorine to act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed by just one atom of chloride. - What happens when CFC or HCFC molecules get in the stratosphere & free atoms of Chlorine are set free? November 15, 1993 - What date was recovery equipment required to be certified by a lab, & achieve higher evacuation levels, & have low loss fittings? November 14, 1994 - On what date was technician certification required? December 31, 1995 - What date were CFC's phased out of production? Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less). - What is EPA 608 Type I certification? Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle air conditioning systems. - What is EPA 608 Type II certification? Persons who maintain, service, repair, or dispose of low pressure appliances. - What is EPA 608 Type III certification? Persons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as appliances. - What is EPA 608 Universal certification? HydroChloroFluoroCarbons - HCFC's Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon. - What are HydroChloroFluoroCarbons? 80% - A recovery cylinder must not be filled more than ___ % of it's capacity by weight? Up-right with proper DOT classification tags. - How should refrigerant cylinders be shipped? Polyolester - What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. Trillion - HCFC's have very low atmospheric concentrations measured in parts per? 15% - All cooling systems containing more than 50 lbs. of refrigerant must be repaired when the annual leak rate exceeds___? All CFC's - Mineral Oils are used with? HCFC's (Will also work with CFC's) - Alkebenzene is used alone or as an additive for? Polyolester - POE A small appliance that is manufactured, charged, and hermetically sealed in a factory with 5 lbs. of refrigerant or less. - What is the definition of a Type I Appliance? High pressure or very high pressure appliances except for small appliances and motor vehicle air conditioning. Refrigeration systems containing more than 5 Lbs. of high or very high pressure refrigerants. - What is the definition of a Type II Appliance? Low pressure equipment like low pressure chillers. - What is the definition of a Type III Appliance?