Macs 609 certificatio - Study guides, Class notes & Summaries

The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - ACCURATE ANSWERS Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - ACCURATE ANSWERS Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - ACCURATE ANSWERS Sludge When it has been determined that an A/C system has a low refrigerant charge, what should be done? - ACCURATE ANSWERS Perf...

MACS 609 Certification Exam Questions With 100% Correct Answers | Verified | Updated 2024

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 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: Recycle the HFC-134a before reuse using certified equipment When can HFC-134a become combustible in a mobile air conditioning system? - ANSWER If shop air ...

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The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - ANSWER Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - ANSWER Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - ANSWER Sludge When it has been determined that an A/C system has a low refrigerant charge, what should be done? - ANSWER Perform a leak test procedure

MACS 609 CERTIFICATION; Questions and Answers 100% Verified If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant? Correct answer-Re-install lubricant removed by the recovery equipment Before reuse, what must be done with HFC-134a that has been recovered from a mobile A/C system using recovery-only equipment? Correct answer-Question 2 options: Recycle the HFC-134a before reuse using certified equipment

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MACS 609 CERTIFICATION Questions with Correct Answers| verified If lubricant is removed by recovery equipment during system refrigerant removal, what must be done with the lubricant? Re-install lubricant removed by the recovery equipment

MACS 609 CERTIFICATION – QUESTIONS & CORRECT SOLUTIONS