EPA 608 Final Exam |Question and Answer| 100% Correct Answer 2024/2025

EPA 608 Final Exam |Question and Answer| 100% Correct Answer 2024/2025 To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines: *Ans* Reclaiming Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: *Ans* Disposable cylinders Clean refrigerant for reuse by separating the oil from the refrigerant by passing it through one or more filter driers is the definition of: *Ans* Recycle What is the GWP (Global Warming Potential) of R-1234ze *Ans* 0 Reusable refrigerant containers under high pressure must be hydrostatically tested how often? *Ans* 5 years When filling a charging cylinder with a regulated refrigerant, the refrigerant vapor that is vented off the top must be ... *Ans* recovered What is an example of a non-condensable? *Ans* Air When a system is in deep vacuum, never do what *Ans* Energize the compressor Which HC refrigerant is allowed for use in NEW domestic Small Appliances? *Ans* R600a Leaks must be repaired on industrial process and refrigeration units with a 50 pound charge or greater when the annualized leak rate reachers ___ or more. *Ans* 30% What can be done with a refrigerant trace gas and nitrogen mixture after a system leak is found? *Ans* Release into atmosphere Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as *Ans* A1 When using a recovery unit on a system containing 100lbs of R-410A it must be evacuated to: *Ans* 0" Hg When dehydrating a system it should be evacuated to a level of *Ans* 500 microns Refrigerant should be recovered from the condenser outlet if the condenser is: *Ans* Below the receiver If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be: *Ans* Retrofitted or retires within 12 months When recovering a medium pressure system with more than 200lbs of refrigerant, recover to a level of: *Ans* 15" Hg Standard for machine room safety is: *Ans* ASHRAE 15 What is the safety classification of HCFC-123 *Ans* B1 The EPA required evacuation level for reco