EPA 608 Practice Test #1,EPA 608 Certification,EPA 608 Core questions,EPA 608 Certification ,EPA 608 study material including (Core, type 1, 2 and 3) ,HVAC: EPA 608 Certification Study Guide ,EPA Certification Exam questions with complete solution graded

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 one chlorine atom can dest...

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 depletion potential? HFC's The molecule found in CFC...

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? Ester based oils and they do not mix with other oils ...

Where is the stratosphere? 10 to 30 miles Where is ozone located? stratosphere What does an ozone molecule consist of? 3 oxygen atoms The ozone layer protects us from... ultraviolet radiation The ozone layer helps to maintain... stable earth temperatures Dep...

What does Section 608 of the Federal Clean Air Act state? Requires anyone who handles refrigerants to be certified in proper refrigerant handling techniques. What is the ozone layer composed if? 3 oxygen atoms bonded together 00:25 01:24 Where is the ozone layer? 10-30 miles...

What is a blend of two or more components who's equilibrium vapor phase & liquid phase compositions are the same at a given pressure? Azeotrope This is a halogenated hydrocarbon containing one or more of the three halogens: fluorine, chlorine, and bromine Halocarbon Chlorofluorocarb...