EPA 608 Practice Test Questions With Verified Answers

The use and release of CFCs and HCFCs has a far reaching effect on... - Answer The stratosphere Corp loss, eye disease and skin cancer have been attributed to: - Answer Depletion of Stratospheric ozone The chlorine in CFCs and HCFCs: - Answer will not dissolve in water Which of the following refrigerant has a GWP of "1"? - Answer R-1233zd A refrigerant cylinder designed to hold recovered refrigerant has a: - Answer Grey body and yellow top Before shipping any used refrigerant cylinders, what standards should be checked? - Answer Department of transportation Technicians who perform sealed system service on small appliances must have; - Answer Type 1 or Universal Certification A small appliance is defined by the EPA as: - Answer Appliances manufactured, charged, and hermetically sealed in a factory that contain 5 lbs. or less of refrigerant. Recovery equipment must be; - Answer certified by an EPA - approved testing laboratory When using a system-dependent recovery system on an appliance that has an operating compressor, the technician should; - Answer Run the compressor and recover from the high side of the system only. After the refrigerant has been recovered, which of the following should be used to flush the system? - Answer Nitrogen When a system is in deep vacuum, you should never: - Answer energize the compressor. Which HC refrigerant is allowed for use in new domestic small appliances? - Answer R-600a The EPA requirement for repairing leaks on small appliances states that: - Answer Leaks should be repaired whenever possible