Under EPA's regulations, which of the following methods can be used to pressurize an R11 or R123 system for the purpose of openi

Question

3 years ago

11

Under EPA's regulations, which of the following methods can be used to pressurize an R11 or R123 system for the purpose of openi

ng the system for a non-major repair?
A. Adding nitrogen
B. Warming the refrigerant
C. Adding compressed air
D. Adding carbon dioxide

Engineering

1 answer:

Natasha2012 [34] · Answer 1 · 2022-09-21T14:01:08+03:00

Natasha2012 [34]3 years ago

7 0

Answer:

(A) Adding Nitrogen

Explanation:

R11 or R123 are flammable substance under certain conditions when mixed with Oxygen, adding Nitrogen is a safety procedure used in displacing any R11 or R123 which are considered as hazardous when mixed with Oxygen.