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EPA Certification Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert) $13.49   Add to cart

Exam (elaborations)

EPA Certification Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)

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  • Course
  • EPA 608
  • Institution
  • EPA 608

EPA Certification Exam 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)

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  • August 9, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EPA 608
  • EPA 608
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EPA Certification Exam.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20Certification%




EPA Certification Exam


1. Which Refrigerants contain the most chlorine?

ANS CFC's

2. As of what date did it become unlawful to intentionally release Class 1 and Class 2

refrigerants to the atmosphere?

ANS July 1, 1992

3. Which Refrigerants have the lowest zone depletion potential?

ANS HFC's

4. The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in

the stratosphere is

ANS Chlorine

5. Stratospheric ozone consists of

ANS Three oxygen atoms

6. Stratospheric ozone depletion is a problem

ANS Global

7. The Gas in the stratosphere that protects us from ultraviolet radiation is
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ANS Ozone

8. Which refrigerant is a CFC?

ANS R-12

9. Which refrigerant is an HCFC?

ANS R-123 & R-22

10. Which refrigerant is an HFC?

ANS R-134a

11. Which refrigerant contains no chlorine?

ANS R-134a

12. The Molecule found in the stratosphere that indicates stratospheric ozone depletion is

taking place is

ANS Chlorine monoxide

13. The following actions would violate the clean air act (CAA)

ANS Knowingly releasing Class 1 Class 2 substances

failing to keep or falsifying required records

failing to tech the required evacuation levels before opening a systems to the atmosphere for

service

14. One time (disposable) refrigerant cylinders are used for
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ANS Virgin refrigerant

15. The rule of thumb for refilling approved cylinders is a maximum of

percent liquid?

ANS 80%

16. The time it takes to properly evacuate and dehydrate a system prior to charging

with refrigerant is determined by the

ANS Total volume of the system Amount of non-condensibles (moisture) in the system

Ambient Temperature

17. A system that fails to hold a vacuum after the evacuation process

ANS May contain moisture

May have a leak

18. To recover refrigerant is to

ANS Remove refrigerant is any condition from a system in either an active or passive manner,

and store it in an external container without necessarily testing or processing.

19. The process that reduces contaminate in used refrigerant by oil separation with single

and multiple passes through devices such as replaceable filter core driers, which reduces

moisture, acidity, and particulate matter is

ANS Recy- cling
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