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©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:12 AM A+ 1 | P a g e HVAC: EPA 608 Certification Study Guide Exam Questions And Answers |Latest 2025 | Guaranteed Pass Are there drop-in replacements for R-12 systems? Why or why not? - AnswerNo 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? - AnswerEster based oils and they do not mix with other oils What type of lubricant is used ...

©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:12 AM A+ 1 | P a g e EPA 608 study material including (Core, type 1, 2 and 3) 100% Verified. A vacum pump should be connected - Answeras far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - Answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - Answeroxygen atoms one chlorine atom can destroy - Answer100,000 ozone molecules CFC's do not dissolve...

©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:12 AM A+ 1 | P a g e EPA 608 Certification Exam Questions And Answers |Latest 2025 | Guaranteed Pass What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - AnswerNovember 14, 1994 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of ...

©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:12 AM A+ 1 | P a g e EPA 608 Core Exam Questions And Answers |Latest 2025 | Guaranteed Pass Where is the stratosphere? - Answer10 to 30 miles Where is ozone located? - Answerstratosphere What does an ozone molecule consist of? - Answer3 oxygen atoms The ozone layer protects us from... - Answerultraviolet radiation The ozone layer helps to maintain... - Answerstable earth temperatures Depletion of ozone causes... - Answercrop loss, eye disease, ski...

©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:12 AM A+ 1 | P a g e EPA608 Universal Exam Questions And Answers |Latest 2025 | Guaranteed Pass Refrigeration technicians who violate the Clean Air Act can: - - AnswerLose 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: - - Answerrecovery and recycling. Refrigerant that is recovered can be returned to: - - Answerthe same ...

What are two factors that, if present, are most likely to A sufficient concentration of the refrigeration in the space and an ignition source lead to an explosion with hydrocarbon refrigerants? An appliance normally containing more than 50 pounds of R-22 refrigerant was found to have a 35% annual leak rate. After the repair, how many successful verification tests are required? Two. Performed before the appliance is recharged All appliances must be equi...

What are two factors that, if present, are most likely to A sufficient concentration of the refrigeration in the space and an ignition source lead to an explosion with hydrocarbon refrigerants? An appliance normally containing more than 50 pounds of R-22 refrigerant was found to have a 35% annual leak rate. After the repair, how many successful verification tests are required? Two. Performed before the appliance is recharged All appliances must be equi...

What are two factors that, if present, are most likely to A sufficient concentration of the refrigeration in the space and an ignition source lead to an explosion with hydrocarbon refrigerants? An appliance normally containing more than 50 pounds of R-22 refrigerant was found to have a 35% annual leak rate. After the repair, how many successful verification tests are required? Two. Performed before the appliance is recharged All appliances must be equi...

EPA 608 Type 2 Test Questions And Answers | Verified /Technicians maintaining, servicing, repairing or disposing of high pressure or very high-pressure appliances, except small appliances and MVAC, must be certified either as a Universal Technician or a ______ ___. - Answer-Type 2 /.After the installation of any type of system, the unit should be pressurized with _____ and _____ checked. - Answer-nitrogen leak /.Nitrogen is an ______ gas. - Answer-inert /.In order to determine the g...

EPA 608 (CORE) Exam EPA 608 (CORE) EXAM / NEWEST COMPLETE QUESTIONS AND CORRECT VERIFIED ANSWERS (DETAILED ANSWERS) ALREADY GRADED A+ 2025.