MCQ: What must be done after recovering the liquid refrigerant from a low-pressure chiller?
A. Recover the vapor refrigerant
B. Pressurize the system with nitrogen
C. Separate the oil from the system
D. Solvent flush the entire system
Answer: The correct answer is option A. Recover the vapor refrigerant. Therefore, after recovering the liquid refrigerant from a low-pressure chiller, the next step is to recover the vapor refrigerant.
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