CFC Test Graded A+

asphyxiate you - ANSWER-While R22 is considerd to be non toxic it can oxygen - ANSWER-never use_____ to purge lines or to pressure a unit when refrigerant is in the line - ANSWER-when should u never cut or weld a refrigerant line check data plate - ANSWER-how do you determine the safe pressure for leak testing A1 - ANSWER-what is the most safe designation trapping liquid refrigerant between service valves - ANSWER-when completing a refrigerant liquid transfer between recovery unit and a refrigeration system you should guard agaist what pressure regulator - ANSWER-when pressurizing a refrigeration system with nitrogen always charge nitrogen through what 80 - ANSWER-a refillable refrigerant cylinder must be filled above what percent of its capacity by weight 5 - ANSWER-reusable containers for refrigerants that are under high pressure (15 psig) mus be tested and date stamped every ____ years float device electronic shut off device or by weight - ANSWER-when using vapor recovery the fill level of the recovery cylinder can be controlled by one of the three different methods which are R22 - ANSWER-an example of an HCFC refrigerant is HFCs - ANSWER-causes no harm to the stratospheric ozone system dependant - ANSWER-Recovery devices capture refrigerant with the assistance of the application compressor and /or the pressure of the refrigerant in the air conditioning and refrigeratoin system that you are servicing july 1 1992 - ANSWER-after what date was it illegal to knowingly release CFCs or HCFCs refrigerants during the maintenance, servicing, repair r disposal of appplications changes it from low pressure vapor to high pressure vapor - ANSWER-a compressor does what to refrigerant