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