Study guides, Study notes & Summaries

EPA 608 Core Test Updated Sample Questions with Correct Answers 100% A+ Graded 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 - CORRECT ANSWER-a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays ...

EPA 608 study material including Questions and Answers 100% A+ Graded a vacum pump should be connected - CORRECT ANSWER-as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - CORRECT ANSWER-dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - CORRECT ANSWER-oxygen atoms one chlorine atom can destroy - CORRECT ANSWER-100,000 ozone molecules CFC's do not dissolve in water and do not br...

EPA 608 study material including (Core, type 1, 2 and 3) Questions and Answers 100% A+ Graded a vacum pump should be connected - CORRECT ANSWER-as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - CORRECT ANSWER-dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - CORRECT ANSWER-oxygen atoms one chlorine atom can destroy - CORRECT ANSWER-100,000 ozone molecules CFC's do not dissolv...

HVAC, EPA 608 Certification Study Guide Questions and Answers 100% A+ Graded Are there drop-in replacements for R-12 systems? Why or why not? - CORRECT ANSWER-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? - CORRECT ANSWER-Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - CORRECT ANSWER-Alkylbenzene lubricant What is d...

HVAC, EPA 608 Certification Study Guide Comprehensive Questions and Answers 100% A+ Graded Are there drop-in replacements for R-12 systems? Why or why not? - CORRECT ANSWER-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? - CORRECT ANSWER-Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - CORRECT ANSWER-Alkylbenzene lubrica...

EPA 608 Certification Exam Questions and Answers Updated 2024 100% Excel A+ Graded What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - CORRECT ANSWER-November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - CORRECT ANSWER-Recover all refrigerants. The objective of the Clean Air Act is to protect what? - CORRECT ANSWER-The earth's stratosphere. HFC's - CORRECT ANSWER-HydroFlouroCarbon's CFC'...

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: - - recovery and recycling. Refrigerant that is recovered can be returned to: - - the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed" unless it: - . - has been chemically analy...

Recovery equipment used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after - November 15, 1993 Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: - recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 EPA's definition of a small appliance includes: - a device m...

EPA 608 Certification Exam Correct Questions and Answers Updated 2024 _ EPA 608 100% Excel A+ Graded What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - CORRECT ANSWER-November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - CORRECT ANSWER-Recover all refrigerants. The objective of the Clean Air Act is to protect what? - CORRECT ANSWER-The earth's stratosphere. HFC's - CORRECT ANSWER-HydroFlouro...

EPA 608 EXAM BANK UPDATED WITH 100% ACCURATE SOLUTIONS Refrigeration technicians who violate the clean air act can: A. lose their epa certification B. be fined. C. be required to appear in federal court D. all of the above - correct answer all of the above It has been illegal to vent substitutes for CFC and HCFC refrigerants since: - correct answer november 1995 which refrigerant has the lowest odp? R22, R11, R12, R113 - correct answer R22 to remove refrigerant in any condit...