MAC 609 CERTIFICATION QUESTIONS AND ANSWERS (100% CORRECT) LATEST 2023
MAC 609 CERTIFICATION QUESTIONS AND ANSWERS (100% CORRECT) LATEST 2023 If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant?Before reuse, what must be done with HFC-134a that has been recovered from a mobile A/C system using recovery-only equipment? When can HFC-134a become combustible in a mobile air conditioning system?Which type of mobile A/C system will usually require additional time / precautions to extract all the refrigerant?
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