Ask Question
7 October, 09:36

Under EPA's regulations, which of the following methods can be used to pressurize an R11 or R123 system for the purpose of opening the system for a non-major repair?

A. Adding nitrogen

B. Warming the refrigerant

C. Adding compressed air

D. Adding carbon dioxide

+4
Answers (1)
  1. 7 October, 10:18
    0
    (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.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Under EPA's regulations, which of the following methods can be used to pressurize an R11 or R123 system for the purpose of opening the ...” in 📙 Engineering if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers