Engine : Refrigeration AC - 29/610
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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 the discharge service valve rather than the top of the condenser |
| B) purging through the top of the receiver rather than the top of the condenser |
| C) purging through a dehydrator |
| D) cracking the purge valve briefly and allowing the refrigerant to re-settle between purges |
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