EPA 608 Core Practice Test Correct 100%

To process refrigerant to a level that is equal to new product specifications as - Answer Reclaiming The low side test pressure data plate value should be used by a technician to determine a safe pressure for - Answer Leak testing Silicone elastomers are not compatible with what refrigerant - Answer HFC How many molecules does an ozone molecule contain? - Answer 3 oxygen atoms Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; - Answer disposable cylinders Which refrigerant is an HCFC? - Answer R-22 Which refrigerant is an HFC - Answer R-410a Which refrigerant is a CFC - Answer R-12 Which refrigerant has GWP of 1? - Answer R-134a Reusable refrigerant containers that are normally under pressure above 15 psig, must be hydrostatically tested and date stamped every: - Answer 5 years The compressor - Answer changes a low pressure gas to a high pressure gas What changes high pressure gas to high pressure liquid - Answer The condenser Crop loss, eye disease, and skin cancer have been attributed to; - Answer Ozone depletion Which type of refrigerant contains no chlorine? - Answer HFC/R-23 The three R's - Answer Recover, Recycle, Reclaim Definition of recover? - Answer remove refrigerant in any condition from an appliance and store it in an external container without necessarily testing or processing it in any way." Definition of recycle - Answer —cleaning the recovered refrigerant. —by using oil separation —should only be used on the same owner's equipment . Definition of reclaim - Answer complicated process, often performed by the manufacturer or a certified company which has the specialized machines needed Why is recovery important? - Answer in order to protect the environment and human health. Depletion of ozone hurts crops, marine life and forests and causes eye problems and skin cancer. A refrigerant cylinder designed to hold recovered refrigerant are what colors - Answer Grey body, Yellow top