The best method of leak checking is when the refrigeration system is ____.
A) in a vacuum
B) open to the atmosphere
C) operating with all fans activated
D) standing with dry nitrogen pressure of 150 psig in the system

Question

Quizplus · Accepted Answer

The best method for leak checking a refrigeration system is when it is standing with dry nitrogen pressure of 150 psig in the system. This method allows for the detection of leaks without moisture entering the system, which can cause damage or inaccurate readings.

The Best Method of Leak Checking Is When the Refrigeration