Macs 609 certificatio - Study guides, Class notes & Summaries

MACS 609 CERTIFICATION EXAM QUESTIONS & ANSWERS CORRECT 100% The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - answers Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - answers Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - answers Sludge When it has been determined that an A/C system has a low refrigerant charge, what s...

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

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 ...

2024 MACS 609 CERTIFICATION EXAM WITH 100 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS/ LATEST MACS 609 CERTIFICATION TEST 2024/2025 (BRAND NEW!!)

When two or more refrigerants are mixed, what must be done with the mixture? Send off-site to EPA certified reclaimer for reclamation or destruction Which SAE Standard(s) must be referred to on the label of approved HFC-134a refrigerant recycling machines? SAE J2210 or SAE J2788 When it has been determined that an A/C system has a low refrigerant charge, what should be done? Perform a leak test procedure Which item is not mentioned in the SAE J1991 standard of refrigerant purity? ...

What should you do when replacing hoses? Make sure you have the correct type/size of tubing What does GWP stand for? Global Warming Potential CO2 is equal to what A/C system? R-744 HFO-1234yf systems are acceptable in what kinds of vehicles? Passenger cars, light-duty trucks, medium-duty passenger vehicles, heavy-duty pickup trucks, and complete heavy-duty vans HFO-1234yf systems are not acceptable in what kinds of vehicles? Heavy-duty trucks, refrigerated transport, and of...

MACS 609 CERTIFICATION EXAM WITH VERIFIED SOLUTIONS...

MACS 609 CERTIFICATION:- QUESTIONS & SOLUTIONS

What is not identified in the manual as a concern with field-coupled hoses? Length of hose Specific safety information for managing incidents involving refrigerants and other chemicals (inhalation, spills, fires, etc) is found in the: Material safety data sheet (MSDS) for the chemical Which of the following is NOT a factor in how much refrigerant can be recovered from an A/C system? The age of the vehicle Which type of mobile A/C system will usually require additional time / preca...

MACS 609 CERTIFICATION EXAM