Engine : Refrigeration AC - 650/610
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| A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flow. What does this mean? |
| A) ice crystals are forming in the refrigerant |
| B) the system contains less than a full charge of refrigerant |
| C) the system is fully charged |
| D) there is air leaking in from the condenser |
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