10/13/25, 8:08
PM
MACS 609 CERTIFICATION EXAM QUESTIONS WITH VERIFIED
ANSWERS GRADED A+
Terms in this set (25)
If lubricant is removed by recovery Re-install lubricant removed by the recovery equipment
equipment during system refrigerant
removal, what must be
done with the lubricant?
We have an expert-written solution to this problem!
Before reuse, what must be done with Question 2 options:
HFC-134a that has been recovered Recycle the HFC-134a before reuse using certified equipment
from a mobile A/C system using
recovery-only equipment?
When can HFC-134a become If shop air is used in the system in an attempt to check for leaks and HFC-134a is
combustible in a mobile air present
conditioning system?
Which type of mobile A/C system Accumulator type
will usually require additional time
/ precautions to extract all the
refrigerant?
Electronic leak detectors certified to 0.15 ounces per year
SAE J2791 have the capacity of
identifying leakage rates as low
1/
, 10/13/25, 8:08
PM
as:
When recovery/recycling equipment is Generally, very little, if any
used to remove refrigerant from a
mobile A/C system, how much
lubricant will be removed during the
operation?
We have an expert-written solution to this problem!
Why is it necessary to insure that To minimize refrigerant loss
service port caps containing
good seals are installed?
Which of the following statements is Flushing solvents may remain in A/C systems, causing problems
correct about flushing A/C
systems?
2/
PM
MACS 609 CERTIFICATION EXAM QUESTIONS WITH VERIFIED
ANSWERS GRADED A+
Terms in this set (25)
If lubricant is removed by recovery Re-install lubricant removed by the recovery equipment
equipment during system refrigerant
removal, what must be
done with the lubricant?
We have an expert-written solution to this problem!
Before reuse, what must be done with Question 2 options:
HFC-134a that has been recovered Recycle the HFC-134a before reuse using certified equipment
from a mobile A/C system using
recovery-only equipment?
When can HFC-134a become If shop air is used in the system in an attempt to check for leaks and HFC-134a is
combustible in a mobile air present
conditioning system?
Which type of mobile A/C system Accumulator type
will usually require additional time
/ precautions to extract all the
refrigerant?
Electronic leak detectors certified to 0.15 ounces per year
SAE J2791 have the capacity of
identifying leakage rates as low
1/
, 10/13/25, 8:08
PM
as:
When recovery/recycling equipment is Generally, very little, if any
used to remove refrigerant from a
mobile A/C system, how much
lubricant will be removed during the
operation?
We have an expert-written solution to this problem!
Why is it necessary to insure that To minimize refrigerant loss
service port caps containing
good seals are installed?
Which of the following statements is Flushing solvents may remain in A/C systems, causing problems
correct about flushing A/C
systems?
2/
