Engine : Refrigeration AC - 343/610
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| « Previous Question |
| 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 lighter than air will rise. |
| C) Refrigerants obnoxious odor prevents breathing. |
| D) Refrigerants contain an acidic substance. |
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