True or False: AB oil is miscible in HCFC refrigerants.

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Multiple Choice

True or False: AB oil is miscible in HCFC refrigerants.

Explanation:
AB oil is formulated to mix with HCFC refrigerants, so it dissolves in the refrigerant rather than forming a separate oil phase. This miscibility ensures the oil travels with the refrigerant through the system, returning to the compressor and keeping the lubrication consistent. In HCFC systems like R-22, AB oil will mix with the refrigerant under operating conditions, which is why this statement is true. In contrast, many HFC refrigerants don’t mix with AB oil, requiring different lubricants.

AB oil is formulated to mix with HCFC refrigerants, so it dissolves in the refrigerant rather than forming a separate oil phase. This miscibility ensures the oil travels with the refrigerant through the system, returning to the compressor and keeping the lubrication consistent. In HCFC systems like R-22, AB oil will mix with the refrigerant under operating conditions, which is why this statement is true. In contrast, many HFC refrigerants don’t mix with AB oil, requiring different lubricants.

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