Epa 608 core exam 2023 - Study guides, Class notes & Summaries

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flouri...

HVAC 2023 EPA 608 CORE Type 1,2,3 Exam Questions and Answers

EPA 608 CORE EXAM ACTUAL EXAM ALL 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

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 answera. 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 in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin la...

One chlorine atom in stratosphere can able to destroy approximately _______ number of ozone molecules: - correct answer1,00,000 Only _____ refrigerant can be transferred or sold to another individual - correct answerReclaimed Halons were completely phased out by ______ : - correct answer1994 Lifetime of CFCs is believed to be in the range ______ : - correct answer20 to 100 years Refrigerant cannot be called reclaimed unless it meets the ______ purity standard: - correct answerARI-700...

all of the above - correct answerRefrigeration 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 november 1995 - correct answerIt has been illegal to vent substitutes for CFC and HCFC refrigerants since: R22 - correct answerwhich refrigerant has the lowest odp? R22, R11, R12, R113 recover - correct answerto remove refrigerant in any condition from a system and store it in an ext...