EPA 608 Certification Core Practice Test.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Certifi
EPA 608 Certification Core Practice Test
1. As of what date did it become unlawful to release Class 1 and Class IIrefrigerants
to the atmosphere?
ANS July 1, 1992.
2. What is the ozone layer and why is it important to us on Earth?
ANS Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere
layerthat extends about 6 to 30 miles above earth.
3. The atom found in CFC and HCFC refrigerants that destroys ozone in the
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,EPA 608 Certification Core Practice Test.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Certifi
stratosphere is?
ANS Chlorine.
4. What is an ozone molecule made of?
ANS Three oxygen atoms (O3).
5. Which refrigerant is a CFC?
ANS R-12.
6. What is the name of the atom that attacks ozone molecules?
ANS Chlorine andbromine atoms emitted into the atmosphere.
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