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