Engine : Refrigeration AC - 281/610
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| Loss of refrigerant during the process of purging of air and non-condensable gases can be kept to a minimum by what action? |
| A) purging through a dehydrator |
| B) purging through the top of the receiver rather than the top of the condenser |
| C) cracking the purge valve briefly and allowing the refrigerant to re-settle between purges |
| D) purging through the discharge service valve rather than the top of the condenser |
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