The units used in trailers should not be recovered using current recovery systems because _______.

Recovery equipment manufactured before November 15, 1993 must be capable of recovering ______ of the refrigerant.

Checking for air or non condensables can be done by checking for_____ inside the recovery tank.

Only a single piercing access valve needs to be installed in which of the following recovery systems?

Why is it important to obtain an accurate pressure reading of refrigerant inside a recovery cylinder?

Which part of the domestic refrigeration system helps vaporize any trapped liquid refrigerant and speeds the recovery process?

If the HVAC technicians hold a Type I certification, he does not need to have any certified recovery equipment.

The persons handling, doing maintenance, service or repair of small appliances must be certified as _______

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

In order to recover the maximum mass of the refrigerant from the refrigeration system, the recovery vessel must be _____ :

Self contained recovery equipment stores the recovered refrigerant in _______

Which of the following tests is used to determine the type of refrigerant.

EPA regulations require that all air conditioning and refrigeration equipment containing more than _______ of refrigerant and manufactured after November 15, 1993 is provided with a servicing aperture to facilitate removal of refrigerant when the unit is serviced or disposed of.

Which of the following refrigerants is recovered using EPA approved recovery devices.