EPA 608 Certification Core Practice Test All Answe
EPA 608 Certification Core Practice Test All Answe
EPA 608 Certification Core Practice Test All Answe
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EPA 608 Certification Core Practice Test All Answers Correct
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EPA 608 Certification Core Practice Test All Answe
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EPA 608 Certification Core Practice Test All Answe
EPA 608 Certification Core Practice Test All Answers Correct
1. As of what date did it become illegal to release Class I and Class II refrigerants into the atmosphere? - ️ July 1, 1992.
2. What role does the ozone layer play in protecting the Earth? - ️ The ozone layer acts as a shield agai...
epa 608 certification core practice test all answe
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EPA 608 Certification Core Practice Test All Answe
EPA 608 Certification Core Practice Test All Answe
EPA 608 Certification Core Practice Test All Answe
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EPA 608 Certification Core Practice Test All Answers Correct
1. As of what date did it become illegal to release Class I and Class II refrigerants into the atmosphere?
- ✔️ July 1, 1992.
2. What role does the ozone layer play in protecting the Earth?
- ✔️ The ozone layer acts as a shield against the Sun's harmful ultraviolet (UV) rays, located in the
stratosphere about 6 to 30 miles above the Earth.
3. Which atom in CFC and HCFC refrigerants is responsible for ozone depletion in the stratosphere?
- ✔️ Chlorine.
4. How is an ozone molecule structured?
- ✔️ An ozone molecule consists of three oxygen atoms (O3).
5. Identify a refrigerant that is classified as a CFC.
- ✔️ R-12.
6. What term describes the atoms that target and deplete ozone molecules?
- ✔️ Chlorine and bromine atoms released into the atmosphere.
7. Which refrigerant is categorized as an HFC?
- ✔️ R-134a.
8. Explain how a single chlorine atom can eliminate 100,000 ozone molecules.
- ✔️ A chlorine atom releases one oxygen atom from the ozone, generating two O2 molecules, while
the chlorine atom remains intact to continue attacking additional ozone molecules.
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