Section 609 Exam Questions and Answers

Section 609 Exam Questions and Answers The age of the vehicle - 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 - 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 - 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 - Answer ️️ -What types of vehicles can HFO-1234yf be used in? 0.15 ounces per year - 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 - Answer ️️ -Which of the following statements are true about flushing A/C systems? Recycle the HFC-134a before reuse using certified equipment - 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 - Answer ️️ -What is "acceptable" classification of HFO-1234yf according to the U.S. EPA? Generally, very little, if any - Answer ️️ -How much lubricant will be removed when using a recovery/recycling equipment to remove refrigerant from a mobile A/C system? Accumulator type - 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 - Answer ️️ -What are the recommendations when using ultra-violet (UV) or fluorescent dyes in an HFO-1234yf system? Perform a leak detection procedure - Answer ️️ -What should be done when it has been determined that an A/C has a low refrigerant charge? Must be registered with the EPA - Answer ️️ -What must be registered with the EPA according to Section 609 of the Clean Air Act? Result in refrigerant cross contamination - Answer ️️ -What will happen if mixing CFC-12 and HFC-134a in the same system?