Why is refrigerant not used for a system standing pressure test?
Only two substances should be in the refrigeration system fo…
Only two substances should be in the refrigeration system for proper operation. They are ____________________ and oil.
The best method of leak checking is when the refrigeration s…
The best method of leak checking is when the refrigeration system is ____.
Why must all valves be opened when an evacuation is performe…
Why must all valves be opened when an evacuation is performed?
Why is it a good idea to remove Schrader stems from service…
Why is it a good idea to remove Schrader stems from service valves prior to evacuation?
The maximum recommended pressure for leak testing is 150 psi…
The maximum recommended pressure for leak testing is 150 psig on the low-pressure side of the system.
A(n) ____________________ pressure could also mean refrigera…
A(n) ____________________ pressure could also mean refrigerant vapor is still seeping from the refrigeration system.
There are ____________________ microns in 1 mm Hg.
There are ____________________ microns in 1 mm Hg.
A hydrostatic tube test kit will;
A hydrostatic tube test kit will;
On low pressure chillers, moisture most frequently enters th…
On low pressure chillers, moisture most frequently enters the refrigerant system through;