Engine : Refrigeration AC - 161/610
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| The term 'oil foaming' in refrigeration practice, is used to describe what event? |
| A) release of miscible refrigerant from the lubricant in the crankcase |
| B) release of dissolved lubricant from the refrigerant in the crankcase |
| C) sudden evaporation of entrapped moisture from the crankcase lubricant |
| D) sudden evaporation of entrapped air from the refrigerant liquid |
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