EPA-608 Type 2 Questions AND 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