Leak testing for tightness under pressure of a refrigeration system is done:
a) with softened water
b) with ammonia
c) with oxygen
d) by the manufacturer
e) with an inert gas
Answer: E
Leak testing for tightness under pressure of a refrigeration system is done:
a) with softened water
b) with ammonia
c) with oxygen
d) by the manufacturer
e) with an inert gas
Answer: E