MACS 609 CERTIFICATION questions with verified correct answers
MACS 609 CERTIFICATION questions with verified correct answers 1. If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant?:Answer: Re-install lubricant removed by the recovery equipment 2. Before reuse, what must be done with HFC-134a that has been recovered from a mobile A/C system using recovery-only equipment?:Answer: Question 2 options:Answer: Recycle the HFC-134a before reuse using certified equipment 3. When can HFC-134a become combustible in a mobile air conditioning sys- tem?:Answer: If shop air is used in the system in an attempt to check for leaks and HFC-134a is present 4. Which type of mobile A/C system will usually require additional time / precautions to extract all the refrigerant?:Answer: Accumulator type
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macs 609 certification questions with verified cor