Ozone in the stratosphere - Study guides, Class notes & Summaries

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 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 layer of CFC and H...

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 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 layer of CFC and H...

EPA 608 Core Test Sample Questions And Answers All Verified 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 - ANS 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 ultraviolet (UV) rays in the stratosphere layer th...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% SOLVED 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, flourine an...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere?Answer - July 1, 1992. What is the ozone layer and why is it important to us on Earth?Answer - 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. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is?Answer - Chlorine. What is an ozone molecule made of?Answ...

federal, state, and local laws. As technicians, we must follow and be up to date on all: 25 Core questions 25 Type I questions 25 Type II questions, and 25 Type III questions. This makes for 100 questions total. For Universal Certification, you will receive how many questions? 50 questions - 25 Core questions and 25 Type III questions If you need to get Type III certification, which of the following will be on your exam? 70% What is a passing grade for all EPA certif...

EPA 608 CORE TEST EXAM 2024 WITH 100% CORRECT ANSWERS 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 in the stratosphere la...

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, flourine and carbon Which refrigerant is a chlorine free refrigerant? - HFC R 1...

ODP Test Questions and Answers Already Passed What does ODP stand for in environmental science? ODP stands for Ozone Depletion Potential. Why is the ozone layer important for life on Earth? It protects living organisms from harmful ultraviolet (UV) radiation from the sun. What are chlorofluorocarbons (CFCs) primarily used for? CFCs are mainly used as refrigerants, propellants in aerosol sprays, and in foam-blowing applications. What is the primary consequence of ozone deplet...

HVAC (EPA Certification Exam Section 608) Questions and Answers 100% Pass How many types of HVAC certifications are there? - Correct Answer ️️ -There are 4 types. What does a metering device do? - Correct Answer ️️ -The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Correct Answer ️️ -Heat is absorbed in the evaporator. What happens in the evaporator? - Correct Answer ️️ -Heat is a...