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HVAC: EPA 608 Certification Study Guide {Questions With 100% Correct Answers} (2024 / 2025) (Verified by Expert
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Are there drop-in replacements for R-12 systems? Why or why not? - ANSWER No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ANSWER Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANSWER Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? - ANSWER Ternary blends are three-part mixtures whereas azeotropic blends are blends of two or more compounds that act like a single compound.
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HVAC: EPA 608 Certification
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HVAC: EPA 608 Certification
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Written for
- Institution
- HVAC: EPA 608 Certification
- Course
- HVAC: EPA 608 Certification
Document information
- Uploaded on
- March 15, 2024
- Number of pages
- 9
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers
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hvac epa 608 certification study guide questions
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are there drop in replacements for r 12 systems w
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what type of oil is used in r 134a and what oils w
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what type of lubricant is used with hcfcs ans
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