R 410a safety - Study guides, Class notes & Summaries

What does ozone in the stratosphere above the earth consist of? Molecules containing 3 oxygen atoms Which of the following refrigerants has the lowest global warming potential? R-600a Which of the following gases is used as the baseline measurement for global warming potential? Carbon Dioxide Which type of refrigerant typically has the lowest global warming potential? HFO's What is the state of the refrigerant entering the compressor of a refrigeration system? L...

FCC HVAC Study Guide Questions And Answers what is the name of EPA's program that identifies refrigerants with lower overall risks to human health and the environment? - ANSWER- the Significant New Alternatives Policy(SNAP) Program. what is a lawful use of HCFC-22? - ANSWER- Charging any new system designed for R-407c. how does cooling occur in a direct expansion vapor compression refrigeration system? - ANSWER- when the liquid refrigerant is vaporized. which process applies to clea...

what is the name of EPA's program that identifies refrigerants with lower overall risks to human health and the environment? - ANSWER- the Significant New Alternatives Policy(SNAP) Program. what is a lawful use of HCFC-22? - ANSWER- Charging any new system designed for R-407c. how does cooling occur in a direct expansion vapor compression refrigeration system? - ANSWER- when the liquid refrigerant is vaporized. which process applies to cleaning refrigerant for immediate reuse by oil sepa...

EPA 608 Practice exam type 1 Questions and Answers latest updated 2023 The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge...

  A technician has determined a supply in a flexible duct system is leaking. What should be checked? - Answer: All connections inner and outer layers. Electronic air cleaners can operate with internal voltages as high as? - Answer: 5000v Why do some electromechanical type thermostats require connections to both the hot side and common side of the low voltage transfromer - Answer: Display lights must be powered using both sides of the line the continuity reading on a functional fus...

Date technicians servicing small appliances must have been EPA certified? November 14, 1994 Date when technicians must have been certified to the EPA that they have equipment capable of meeting ARI 740 recovery requirements August 12, 1993 All recovery devices manufactured before ________________, for use with small appliances must be capable of recovering 80% of refrigerant whether or not the compressor is operational. Alternatively, the system can be recovered to 4-inches of me...

EPA 608 Core Complete Answers 1. What can happen to refrigeration technicians who violate the Clean Air Act? - ️ D. All of the above (A. lose their EPA certification, B. be fined, C. be required to appear in federal court). 2. Since what date has it been illegal to vent substitutes for CFC and HCFC refrigerants? - ️ November 1995. 3. Which refrigerant has the lowest Ozone Depletion Potential (ODP)? - ️ R-22 (comparison options: R-22, R-11, R-12, R-113). 4. What does it mean to re...

EPA 608 Guaranteed Success 1. Definition of Reclaiming: - To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines: ️ Reclaiming. 2. Disposable Cylinder Disposal Method: - The proper disposal method for disposable cylinders is to ️ recover any remaining refrigerant and then render the cylinder useless, then recycle the metal. 3. Definition of Recycling: - Clean refrigerant for reuse by separating the oil from the refr...

_______ is the process of removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way. - Recovering - ans^ ______________refers to the process of cleaning refrigerant by oil separation and single or multiple passes through filter-driers, which reduce moisture and acidity? - Recycling - ans^ _________is the process that returns refrigerant to new-product specifications and that requires chemical analysis...