General Studies · Refrigeration and Air Conditioning
Which of the following refrigerants has the highest toxicity group rating according to ASHRAE standards while being non-flammable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Ammonia
- 2Sulphur dioxide✓
- 3Carbon dioxide
- 4Freon-12
Correct answer
Sulphur dioxide
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