MACS 609 CERTIFICATION EXAM
Questions with 100% Correct Answers |
Verified || ACTUAL EXAM 2026 TEST!!
Graded A+ | 2026 LATEST EXAM UPDATE
If lubricant is removed by recovery equipment during system refrigerant removal, what
must be done with the lubricant? -CORRECTANSWER 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? -CORRECTANSWER Question 2
options:
Recycle the HFC-134a before reuse using certified equipment
When can HFC-134a become combustible in a mobile air conditioning system? -
CORRECTANSWER 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? -CORRECTANSWER Accumulator type
Electronic leak detectors certified to SAE J2791 have the capacity of identifying leakage
rates as low as: -CORRECTANSWER 0.15 ounces per year
Questions with 100% Correct Answers |
Verified || ACTUAL EXAM 2026 TEST!!
Graded A+ | 2026 LATEST EXAM UPDATE
If lubricant is removed by recovery equipment during system refrigerant removal, what
must be done with the lubricant? -CORRECTANSWER 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? -CORRECTANSWER Question 2
options:
Recycle the HFC-134a before reuse using certified equipment
When can HFC-134a become combustible in a mobile air conditioning system? -
CORRECTANSWER 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? -CORRECTANSWER Accumulator type
Electronic leak detectors certified to SAE J2791 have the capacity of identifying leakage
rates as low as: -CORRECTANSWER 0.15 ounces per year
