When moisture is present in a refrigeration system, it will react with the refrigerant and the oil to form ____.

Micron gauge displays can be electronic analog, digital, or ____________________.

After repairing a system that has had an electrical motor failure (compressor burnout), it is good field practice to re-use the recovered refrigerant in that system.

There are ____________________ microns in 1 mm Hg.

When installing any type of access fitting onto a sealed system;

A hydrostatic tube test kit will;

Recovery equipment used during maintenance service, or repair of small appliances must be certified by an EPA approved lab if manufactured after;

When using nitrogen in repairing a sealed refrigeraation system, the nitrogen gtank should always be equipped with a;

Small appliance recovery equipment manufactured after Nov 15, 1993 must be certified to be capable of;

Charged low pressure refrigeration machines may be most efficiently leak checked by: