The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system.

A(n) ____________________ pressure could also mean refrigerant vapor is still seeping from the refrigeration system.

There are ____________________ microns in 1 mm Hg.

A hydrostatic tube test kit will;

On low pressure chillers, moisture most frequently enters the refrigerant system through;

When it is essential to take measures to help release trapped refrigerant from the compressor oil during refrigerant recovery;

Explain why triple evacuations are not normally performed on large systems.

When servicing a small appliance for leak repair;

At what pressure range does the technician valve off the vacuum pump when evacuating to a deep vacuum?

The sale of CFC and HCFC refrigerant is ;