EPA 608 9th edition Questions and Answers (Graded A)

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Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - Answer- 5 years How much can a person be fined per day per violation for knowingly releasing a regula... ted substance that violates the Clean Air Act? - Answer- $44,539 HCFCs contain - Answer- Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - Answer- R-1234ze An ozone molecule contains; - Answer- Three oxygen atoms Purity specification of new, recycled, or reclaimed R-134a must meet this standard: - Answer- AHRI Standard 700 For determining the Ozone Depletion Potential, ________ having been assigned a factor of 1. - Answer- CFC-12 Ozone Depletion Potential (ODP) is a measurement of a substance such as CFC's and HCFC's ability to destroy ozone, and ranges from - Answer- 0 to 1 Equipment with flammable refrigerants requires a _________ color marking on all process tubes, service connections, and pipes through which a flammable refrigerant passes - Answer- RED Several years of negotiations, an international agreement (treaty) regulating the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride entered into force in mid-1989 resulted in what agreement - Answer- The Montreal Protocol Remove refrigerant, in any condition, from a system and store it in an external container to be put back into the same system - Answer- Recover Clean refrigerant by separating the oil from the refrigerant and removing moisture and other contaminants from the refrigerant by passing it through one or more filter driers is called what - Answer- Recycle: To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis. - Answer- Reclaim To capture refrigerant with the assistance of components in the appliance from which refrigerant is being recovered - Answer- "System-dependent Has its own means to draw the refrigerant out of the appliance - Answer- Self-contained refrigeration equipment used in agriculture, crop production, oil and gas extraction, ice rinks, manufacture of frozen food, dairy products, food and beverages, ice, petrochemicals, chemicals, machinery, medical equipment, plastics, paper, and electronics. - Answer- Industrial Process Refrigeration These are examples of what type of refrigeration: refrigerated warehousing and storage facilities, supermarkets, grocery stores, warehouse clubs, supercenters, convenience stores, and refrigerated transport. - Answer- Commercial Refrigeration, these are examples of: air conditioning equipment, and others not listed. - Answer- Comfort Cooling, when dehydrating a system a vacuum of how many microns should be reached? - Answer- 500 The EPA requires that a refillable refrigerant cylinder MUST NOT BE FILLED ABOVE _______of its capacity by weight - Answer- 80% When leak checking a system, NEVER pressurize the system with - Answer- oxygen or compressed air In the event of a "large" release of refrigerant in a confined area, ______________________________ is required - Answer- Self-Contained Breathing Apparatus (SCBA) Always review the ________________________ when working with any solvents, chemicals, or refrigerants. - Answer- Safety Data Sheets (SDS) Before shipping any used refrigerant cylinders, check that the cylinder meets ______ standards. - Answer- DOT R-502 is a ______________ pressure refrigerant - Answer- HIGH If a new recovery system purchased, the purchaser must report this information to the EPA. T/F - Answer- False Appliances can be evacuated to atmospheric pressure ____________ if leaks make recovery (evacuation) to the prescribed level unattainable. - Answer- 0 PSIG System-dependent recovery equipment cannot be used on appliances containing more than ___________________of refrigerant. - Answer- 15 pounds REQUIRED LEVELS OF EVACUATION FOR High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 lbs. of refrigerant. After November 15, 1993 0" Hg - Answer- 0" Hg A "major repair," according to EPA regulations, is defined as any maintenance, service or repair involving the removal of: (Give one part) - Answer- the compressor, the condenser, the evaporator or an auxiliary heat exchanger coil. Appliances can be evacuated to atmospheric pressure ( ______psig) if leaks make recovery (evacuation) to the prescribed level unattainable - Answer- 0 REQUIRED LEVELS OF EVACUATION FOR High-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. After November 15, 1993 - Answer- 10" Hg Anyone that services, repairs, or disposes of Type I, II or III equipment must have recovery equipment and/or recycling equipment that is certified and labeled by an: - Answer- EPA-approved equipment testing organization to meet EPA Standards After recovery, refrigerant may be returned to the appliance from which it was removed or to another appliance owned by the same person without being recycled or reclaimed. T/F - Answer- True REQUIRED LEVELS OF EVACUATION FOR Medium-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. Before November 15, 1993 - Answer- 4" Hg Refrigerant should be removed from the condenser outlet if the condenser is _________ the receiver - Answer- Below If you are recovering the refrigerant from a system and worried about loosing to much oil from the system, what state should the refrigerant be in when you remove it from the system. - Answer- vapor REQUIRED LEVELS OF EVACUATION FOR Medium-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. After November 15, 1993 - Answer- 15" Hg Technicians working with multiple refrigerants, before recovering and/or recycling a different refrigerant, must __________ the recover/recycle equipment by recovering as much of the first refrigerant as possible, change the filter, and evacuate. - Answer- purge Removing the refrigerant in what form will speed up recovery time. - Answer- liquid When an appliance containing 50 lbs. of a regulated refrigerant or more leaks_________% or more, the owner must submit a report to EPA describing efforts to identify leaks and repair. - Answer- 125 REQUIRED LEVELS OF EVACUATION FOR High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 lbs. of refrigerant. Before November 15, 1993 - Answer- 0" Hg All records for leak inspections, initial verification, verification tests and records of recovered refrigerant from equipment with 5 to 50 lbs. must be kept for ______ years by the owner or operator. - Answer- 3 [Show More]

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