Which of the following refrigerants are not required to be recovered as per EPA regulations:

Recovery equipment manufactured after November 15, 1993 must be capable of recovering ______ of the refrigerant without the compressor operating

For small appliances, the technician may use which of the following:

Checking for air or non-condensables can be done by checking which of the following inside the recovery tank:

Not opening the tank inlet valve or having excess air will cause higher discharge pressures in self-contained recovery device

Hydrogen and water present as components of refrigerants are required to be recovered by EPA regulations:

Do not use vacuum pumps or recovery machines on equipment that contains hydrogen:

________ stub is attached to the filter drier in a refrigeration system:

System-dependent recovery can -be used only on appliances containing ______ or less of refrigerant:

System-dependent recovery process must use a pressurized container to capture the refrigerant

Which of the following recovery devices will recover the refrigerant faster:

In which of the following recovery system only a single piercing access valve needs to be installed

A graduated charging cylinder is designed to charge a system accurately with refrigerant:

Which of the following test is used to determine the type of refrigerant:

For refrigerators, if the refrigerant is ammonia or sulfur dioxide, the thermodynamic cooling process typically is of which of the following: