Hfo is - Study guides, Class notes & Summaries

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...

The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - ANSWER Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - ANSWER Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - ANSWER Sludge When it has been determined that an A/C system has a low refrigerant charge, what should be done? - ANSWER Perform a leak test procedure

EPA 608 Exam Practice Questions 1-100 with Complete Solution Ozone depletion is caused by _ in HCFC refrigerants - -Chlorine CFCs and HCFCs _ making them capable of reaching the stratospheric ozone - - do not dissolve in water or easily break down in the atmosphere How many ozone molecules are destroyed by one chlorine atom - -100,000 ozone molecules The stratospheric ozone layer protects us from _ - -ultraviolet radiation from the sun Which health effect increases from loss of the stra...

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - $44,539 HCFCs contain - Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - R-1234ze An ozone molecule contains; - Three oxygen atoms Purity specification of new, recycled, or reclaimed R-134a must meet this standard:...

EPA 609 Technician Certification Questions and Answers | Latest Version | 2024/2025 | Already Passed What is the purpose of the EPA 609 Technician Certification? The EPA 609 certification allows technicians to service motor vehicle air conditioning (MVAC) systems and handle refrigerants in compliance with the Clean Air Act to prevent environmental harm. Why is it important for technicians to be certified before handling refrigerants in MVAC systems? Certification ensures that te...

Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants Nov 15, 1995 R-134a is a chlorine-free refrigerant True Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen Brainpower Read More Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States Jan 1, 1996 A refillable refrigerant cylinder must not be filled above ______ of its full capacity. 80% Section...

The use of ultraviolet (UV) or fluorescent dyes in an HFO-1234yf system is: - ACCURATE ANSWERS Approved by some vehicle manufactures but not by others One effect of some refrigerant gases in the atmosphere is that they: - ACCURATE ANSWERS Contribute to trapping heat Which item is not mentioned in the SAE J2099 Standard of refrigerant purity? - ACCURATE ANSWERS Sludge When it has been determined that an A/C system has a low refrigerant charge, what should be done? - ACCURATE ANSWERS Perf...

EPA 608 Certification Exam Questions and answers Ozone depletion is caused by _ in HCFC refrigerants - ANSWERS Chlorine CFCs and HCFCs _ making them capable of reaching the stratospheric ozone - ANSWERS do not dissolve in water or easily break down in the atmosphere How many ozone molecules are destroyed by one chlorine atom - ANSWERS 100,000 ozone molecules The stratospheric ozone layer protects us from _ - ANSWERS ultraviolet radiation from the sun Which health effect increases fro...

EPA 608 Certification Exam Questions and answers Ozone depletion is caused by _ in HCFC refrigerants - ANSWERS Chlorine CFCs and HCFCs _ making them capable of reaching the stratospheric ozone - ANSWERS do not dissolve in water or easily break down in the atmosphere How many ozone molecules are destroyed by one chlorine atom - ANSWERS 100,000 ozone molecules The stratospheric ozone layer protects us from _ - ANSWERS ultraviolet radiation from the sun Which health effect increases fro...

EPA 608 9th edition Exam Questions And Answers Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - ANS 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - ANS $44,539 HCFCs contain - ANS Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - ANS R-1234ze An ozone molecule contains; - ANS Three oxygen atom...