Physics · Refrigeration and Air Conditioning
After recovering refrigerant from a sealed HVAC/R system, which gas is safely used to pressurize the system for leak testing or blowing out debris?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Dry Nitrogen gas✓
- 2Carbon dioxide
- 3Oxygen gas
- 4Hydrogen gas
Correct answer
Dry Nitrogen gas
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