EPA 608 [2024] Exam Elaboration |100% Correct Answers|

EPA 608 [2024] Exam Elaboration |100% Correct Answers| Industrial process and refrigeration units with a 50 pound charge or more with an annualized leak rate of _____ or more must have leaks repaired. *Ans* 35% Unless plans are made to replace a system exceeding the maximum leak, repairs must be made in; *Ans* 30 days Refrigerants CFC R-12, HCFC R-22, and HFC 134a are all classified as; *Ans* type A- 1 All Refrigeration & HVAC systems are protected by a; *Ans* pressure relief valve A refrigerant sensor which will sound an alarm and automatically start a ventilation system in occupied equipment rooms fall under; *Ans* ASHRAE 15 Non-condensables will cause; *Ans* higher discharge pressure A crankcase heater is often used to prevent refrigerant from migrating to the oil during periods of: *Ans* low ambient temperature EPA regulations state that maintenance, service or repair involving the removal of the following component is a "major repair" *Ans* compressor What refrigerant can be used as a trace gas when checking for leaks? *Ans* R410A What can be done with the refrigerant trace