EPA 608 Core practice test with correct answers

To process refrigerant to a level that is equal to new product specifications as Reclaiming The low side test pressure data plate value should be used by a technician to determine a safe pressure for Leak testing Silicone elastomers are not compatible with what refrigerant HFC How many molecules does an ozone molecule contain? 3 oxygen atoms Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; disposable cylinders Which refrigerant is an HCFC? R-22 Which refrigerant is an HFC R-410a Which refrigerant is a CFC R-12 Which refrigerant has GWP of 1? R-134a Reusable refrigerant containers that are normally under pressure above 15 psig, must be hydrostatically tested and date stamped every: 5 years The compressor changes a low pressure gas to a high pressure gas What changes high pressure gas to high pressure liquid The condenser Crop loss, eye disease, and skin cancer have been attributed to; Ozone depletion Which type of refrigerant contains no chlorine? HFC/R-23 The three R's Recover, Recycle, Reclaim Definition of recover? 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 —cleaning the recovered refrigerant. —by using oil separation —should only be used on the same owner's equipment . Definition of reclaim complicated process, often performed by the manufacturer or a certified company which has the specialized machines needed Why is recovery important? 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.