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EPA 609 Certification Exam with A+ Graded Answers, Exams of Advanced Education
A set of graded answers for the epa 609 certification exam, which is a mandatory certification for technicians working with refrigerants. The exam covers topics related to the ozone layer, the effects of ozone depletion, the recovery process for refrigerant systems, and the handling of recycled refrigerant containers. Five multiple-choice questions, each with a correct answer indicated. This resource could be useful for individuals preparing for the epa 609 certification exam, as it offers a sample of the type of questions that may be encountered and provides the correct responses. By studying this document, students can gain a better understanding of the key concepts and requirements related to refrigerant handling and the protection of the ozone layer.
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EPA 609 Certification Exam with A+
Graded Answers
- The ozone layer filters out most of the suns harmful: A. infrared radiation B. ultraviolet radiation C. gamma radiation D. alpha radiation - Correct Ans: ✔✔B. ultraviolet radiation
- The reduction of ozone in the stratosphere could cause: A. an increase in skin cancer and eye cataracts B. an increase in plant life growth C. an increase in earth's polar ice D. and increase in marine life growth - Correct Ans: ✔✔A. an increase in skin cancer and eye cataracts
- Technician A says that the sunlight striking CFC molecules can cause chlorine to be released. Technician B says that chlorine atoms react with ozone to produce chlorine monoxide. Who is right? A. A only B. B only
C. Both A and B D. Neither A nor B - Correct Ans: ✔✔C. Both A and B
- The recovery process on an R-12 or R-134a A/C system should continue until a stable vacuum is held by the system for: A. 1 minute B. 2 minutes C. 4 minutes D. 5 minutes - Correct Ans: ✔✔B. 2 minutes
- A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature. Technician A says that the refrigerant container should be placed in a cooler storage area before use. ] Technician B says that the vapor in the container should be slowly vented into a refrigerant handling unit. Who is right? A. A only B. B only C. Both A and B
D. Neither A nor B - Correct Ans: ✔✔B. B only