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MACS 609 CERTIFICATION EXA

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MACS 609 CERTIFICATION EXA

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  • May 15, 2024
  • 5
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • ATI Comprehensive Predictor
  • ATI Comprehensive Predictor

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MACS 609 CERTIFI CATION EXAM LATE ST EXAM 2024 |ALL QUESTIONS AND CORRECT VERIFIED ANSWERS |100% GUARANTEED TO PASS!|ALREADY GRADED A+ /BRAND NEW VERSION 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 is used in the system in an attempt to check for leaks and HFC -134a is present Which type of mobile A/C system will usually require additional time / precautions to extract all the refrigerant? - ANSWER -Accumulator type Electronic leak detectors certified to SAE J2791 have the capacity of identifying leakage rates as low as: - ANSWER -0.15 ounces per year When recovery/recycling equipment is used to remove refrigerant from a mobile A/C system, how much lubricant will be removed during the operation? - ANSWER -Generally, very little, if any Why is it necessary to insure that service port caps containing good seals are installed? - ANSWER -To minimize refrigerant loss Which of the following statements is correct about flushing A/C systems? - ANSWER -Flushing solvents may remain in A/C systems, causing problems When using an HFC -134a refrigerant recovery machine, after competing the first recovery process, how long must you wait, then check the machine's gauges for a rise in pressure above vacuum, which would indicate that the system still contains some refrigera nt? - ANSWER -5 minutes

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