The age of the vehicle Correct Answer Which of the following is not a true factor in how much refrigerant can be recovered from a A/C system?
To minimize refrigerant loss Correct Answer Why is it important to make sure that the service port caps are not damaged when reinstalling them?
Dispose...
MACS 609 Exam Questions with 100% Correct Answers The age of the vehicle Correct Answer Which of the following is not a true factor in how much refrigerant can be recovered from a A/C system?
To minimize refrigerant loss Correct Answer Why is it important to make sure that the service port caps are not damaged when reinstalling them?
Dispose of it in accordance with federal, state, local requirements Correct Answer What must be done with the lubricant once it is removed by the recovery equipment?
Any light vehicle with an air conditioning system designed to use it Correct Answer What types of vehicles can HFO-1234yf be used in?
0.15 ounces per year Correct Answer SAE standard J2791 electronic leak detectors requires improved standards to have the capability to identifying leakage rates as low as:
Flushing solvents may remain in A/C systems, causing problems Correct Answer Which
of the following statements are true about flushing A/C systems?
Recycle the HFC-134a before reuse using certified equipment Correct Answer Before it can be reused, the refrigerant must be recycled through use of a mobile A/C system using recovery-only equipment.
The refrigerant may only be used in new vehicles with components specifically designed
for it Correct Answer What is "acceptable" classification of HFO-1234yf according to the
U.S. EPA?
Generally, very little, if any Correct Answer How much lubricant will be removed when using a recovery/recycling equipment to remove refrigerant from a mobile A/C system?
Accumulator type Correct Answer What type of mobile A/C system will require more time and precautions to extract all the refrigerant?
Approved by some vehicle manufactures but not by others Correct Answer What are the
recommendations when using ultra-violet (UV) or fluorescent dyes in an HFO-1234yf system?
Perform a leak detection procedure Correct Answer What should be done when it has been determined that an A/C has a low refrigerant charge?
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