Hfc 152a is Study guides, Class notes & Summaries

HFC-152a is ___ - Correct Answer flammable What are the 2 types of HFC-152a systems? - Correct Answer Direct expansion and secondary loop type Direct Expansion - Correct Answer Refrigerant directly expands within the evaporator that is located inside the passenger compartment Secondary Loop (Open Loop) - Correct Answer A circulating non-flammable fluid replaces the evaporator which provides isolation between the flammable refrigerant and the passenger compartment Section 609 of the C...

What should you do when replacing hoses? Make sure you have the correct type/size of tubing What does GWP stand for? Global Warming Potential CO2 is equal to what A/C system? R-744 HFO-1234yf systems are acceptable in what kinds of vehicles? Passenger cars, light-duty trucks, medium-duty passenger vehicles, heavy-duty pickup trucks, and complete heavy-duty vans HFO-1234yf systems are not acceptable in what kinds of vehicles? Heavy-duty trucks, refrigerated transport, and of...

EPA 609 Questions and Answers Already Passed Lifetime of CFCs is believed to range from _____ years? 2 to 100 For determining the Ozone Depletion Potential ________ having been assigned a factor of 1? CFC-11 Ester-based synthetic oils can be mixed with other oils? False Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States? January 1, 1996 Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants? November 15, 1995 Ozone at g...

If the mechanic's gauges rise from a vacuum to pressure, what is required? Correct Answer Additional recovery What is the only way to fully clear moisture from the A/C system? Correct Answer Replacing the desiccant Pressure ______ the boiling point Correct Answer Raises Vacuum _______ the boiling point Correct Answer Lowers What should you do when replacing hoses? Correct Answer Make sure you have the correct type/size of tubing What does GWP stand for? Correct Answer Global Warm...

MACS Certification 2024 Exam Marking Scheme 100% Correct If the mechanic's gauges rise from a vacuum to pressure, what is required? - Answer- Additional recovery What is the only way to fully clear moisture from the A/C system? - Answer- Replacing the desiccant Pressure ______ the boiling point - Answer- Raises Vacuum _______ the boiling point - Answer- Lowers What should you do when replacing hoses? - Answer- Make sure you have the correct type/size of tubing What does GWP stand for?...

MACS Certification 2024 Exam Marking Scheme If the mechanic's gauges rise from a vacuum to pressure, what is required? - ANSWER- Additional recovery What is the only way to fully clear moisture from the A/C system? - ANSWER- Replacing the desiccant Pressure ______ the boiling point - ANSWER- Raises Vacuum _______ the boiling point - ANSWER- Lowers What should you do when replacing hoses? - ANSWER- Make sure you have the correct type/size of tubing What does GWP stand for? - AN...

MACS Certification Questions And Answers 100% Correct If the mechanic's gauges rise from a vacuum to pressure, what is required? - Answer- Additional recovery What is the only way to fully clear moisture from the A/C system? - Answer- Replacing the desiccant Pressure ______ the boiling point - Answer- Raises Vacuum _______ the boiling point - Answer- Lowers What should you do when replacing hoses? - Answer- Make sure you have the correct type/size of tubing What does GWP stand for? - ...

MACS Certification Verified Questions And Answers If the mechanic's gauges rise from a vacuum to pressure, what is required? - ANSWER Additional recovery What is the only way to fully clear moisture from the A/C system? - ANSWER Replacing the desiccant Pressure ______ the boiling point - ANSWER Raises Vacuum _______ the boiling point - ANSWER Lowers What should you do when replacing hoses? - ANSWER Make sure you have the correct type/size of tubing What does GWP stand for? - ANSWE...

MACS Certification Questions And Answers 100% Correct If the mechanic's gauges rise from a vacuum to pressure, what is required? - Answer- Additional recovery What is the only way to fully clear moisture from the A/C system? - Answer- Replacing the desiccant Pressure ______ the boiling point - Answer- Raises Vacuum _______ the boiling point - Answer- Lowers What should you do when replacing hoses? - Answer- Make sure you have the correct type/size of tubing What does GWP stand for? - ...

MACS Certification Verified Questions And Answers If the mechanic's gauges rise from a vacuum to pressure, what is required? - ANSWER Additional recovery What is the only way to fully clear moisture from the A/C system? - ANSWER Replacing the desiccant Pressure ______ the boiling point - ANSWER Raises Vacuum _______ the boiling point - ANSWER Lowers What should you do when replacing hoses? - ANSWER Make sure you have the correct type/size of tubing What does GWP stand for? - ANSWE...