Engine : Refrigeration AC - 539/610 |
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Why can CFC or HCFC refrigerants leaking into a confined space or in limited surroundings cause suffocation? |
A) Refrigerants are heavier than air and displace oxygen. |
B) Refrigerants contain an acidic substance. |
C) Refrigerants obnoxious odor prevents breathing. |
D) Refrigerants lighter than air will rise. |
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