General Studies · Refrigeration and Air Conditioning

According to the ANSI/ASHRAE Standard 34-2019 refrigerant nomenclature system, what is the 'R' number designation for Nitrogen?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1R-702
2R-718
3R-717
4R-728✓

Correct answer

R-728

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According to the ANSI/ASHRAE Standard 34-2019 refrigerant nomenclature system, what is the 'R' number designation for Nitrogen?

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According to the ANSI/ASHRAE Standard 34-2019 refrigerant nomenclature system, what is the 'R' number designation for Nitrogen?

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