What is the approximate pressure of a storage cylinder of recovered R-134a that does not contain any non-condensable impurities and is stored in a room where the temperature is 80 F?

It is best practice to use dry nitrogen to break the vacuum when dehydrating by the triple evacuate method. However, it;

Which of the following is NOT required for an appliance that is using an ozone-depleting refrigerant to be mothballed (thereby extending the leak repair deadline)?

For Which of the following refrigeration systems and appliances would it be permissible to use a passive recovery device for recovery of CFCs, HCFCs, and HFCs

What is maximum normal charge of HCFC or HFC refrigerant in an appliance that is allowed to use system dependent recovery equipment?

A rupture disc on a recovery vessel for low-pressure refrigerants relieves at;

Which component is particularly susceptible to leaks in low-pressure refrigeration systems with opendrive type compressors?

Which of the following refrigerants is very high pressure and generally does NOT need to be recovered?

If a Large leak of refrigerant occurs such as from a filled cylinder in an enclosed area,what action should be taken when no self-contained breathing apparatus is available?

what is the primary water source for a water cooled recovery unit’s condensed coil?