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EPA Certification Exam Questions and Answers Latest 2023 Which Refrigerants contain the most chlorine? - CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - July 1, 1992 Which Refrigerants have the lowest zone depletio...

EPA 608 study guide latest Updates a vacum pump should be connected - as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - oxygen atoms ...

EPA Section 608 Technician Certification Study Guide Questions and Answers 2023 What are the typical uses of the center port of gauge set? - Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - Low pressure is blue, High pressure is red...

EPA 608 Certification Core Practice Test Questions and Answers Accurate Solution As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - July 1, 1992. What is the ozone layer and why is it important to us on Earth? - Protective shield for Earth ...

EPA 608 HVAC Certification Study Guide Q&A Verified 100% Are there drop-in replacements for R-12 systems? Why or why not? - No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - E...

EPA 608 Core Test Sample Questions and Answers With Absolute Solution 2023 As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - a. July 1, 1992 What is the ozone lay...

EPA 608 (TYPE II) Exam Questions and answers Reupdated 2023 When a new system has been assembled, the first thing to do is? - Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? - Pressurized with nitrogen ...

EPA 608 Certification Exam Q&A With Accurate Solution Ozone stratosphere above the earth consists of molecules containing... - 3 oxygen atoms (O3) The oxygen we breathe contains how many atoms in each molecule? - two atoms (O2) The ozone layer consists of ozone in the stratosphere at an al...

epa 608 Exam Questions and Answers latest update Refrigeration technicians who violate the Clean Air Act can: - - Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from...

EPA Study Test Solved Questions and Answers The technician - Should the EPA regulations change, who's responsibility is it to comply with these changes? CFC, HCFC, HFC, and HFO refrigerants - What refrigerants are currently being regulated? False - You can work under another person's cer...

EPA 608 Exam Questions and Answers Latest Graded A+ 2023 the state of the refrigerant entering the metering device is? - A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - R-503 what type of refrigerant is used in MEDIUM pressure appliance...

HVAC (EPA Certification Exam Section 608) Questions and Answers Actual Test Verified A+ How many types of HVAC certifications are there? - There are 4 types. What does a metering device do? - The metering device causes a reduction in pressure, and therefore a reduction in saturation temperatur...

EPA 608 Exam Questions and Answers A Level Based 2023 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? - $4...

EPA Exam Questions and Answers Latest Solution The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is comprised of; - Ozone The molecule found in CFC's and HCFC's that depletes ozone is: - chlorine Crop loss, eye disease, and skin cancer have been attribu...