Alkylbenzene lubricant - Study guides, Class notes & Summaries
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HVAC: EPA 608 Certification Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+
- Exam (elaborations) • 20 pages • 2024
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HVAC: EPA 608 Certification Study 
Guide Questions and Answers | Latest 
Version | 2024/2025 | Rated A+ 
 
Are there alternative refrigerants that can be directly used in systems originally designed for R- 
12? Why or why not? 
 
No, because these new refrigerants are not compatible with the lubricants and oils used in R- 
12 systems. 
 
Explanation: The oils and lubricants in R-12 systems cannot properly interact with newer 
refrigerants, making direct replacements unfeasible. 
 
What type of o...
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HVAC: EPA 608 Certification Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
- Exam (elaborations) • 11 pages • 2024
- Available in package deal
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Are there drop-in replacements for R-12 systems? Why or why not? - 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? - Ester based oils and they do not 
mix with other oils 
What type of lubricant is used with HCFCs? - Alkylbenzene lubricant 
What is difference b/w ternary blend a azeotropic blend? - Ternary blends are three-part mixtures 
whereas azeotropic blends are blends of...
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HVAC: EPA 608 CERTIFICATION EXAM 2024 WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 11 pages • 2024
-
- $16.49
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Are there drop-in replacements for R-12 systems? Why or why not? - correct 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? - correct answer Ester based oils and they do not mix with other oils 
 
What type of lubricant is used with HCFCs? - correct answer Alkylbenzene lubricant 
 
What is difference b/w ternary blend a azeotropic blend? - correct answer Ternary blends ...
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HVAC: EPA 608 Certification Study Guide Questions and Answers 100% Solved
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
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HVAC: EPA 608 Certification Study Guide 
Questions and Answers 100% Solved 
Are there drop-in replacements for R-12 systems? Why or why not? ️️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? ️️Ester based oils and they 
do not mix with other oils 
What type of lubricant is used with HCFCs? ️️Alkylbenzene lubricant 
What is difference b/w ternary blend a azeotropi...
-
HVAC: EPA 608 CERTIFICATION EXAM 2024 WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 11 pages • 2024
-
- $16.49
- + learn more
HVAC: EPA 608 CERTIFICATION EXAM 2024 WITH 100% CORRECT ANSWERS 
 
 
Are there drop-in replacements for R-12 systems? Why or why not? - correct 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? - correct answer Ester based oils and they do not mix with other oils 
 
What type of lubricant is used with HCFCs? - correct answer Alkylbenzene lubricant 
 
What is difference b...
Too much month left at the end of the money?
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HVAC: EPA 608 CERTIFICATION EXAM 2024 WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 11 pages • 2024
-
- $16.49
- + learn more
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 ...
-
EPA Certification Exam (2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A
- Exam (elaborations) • 20 pages • 2023
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Available in package deal
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EPA Certification Exam (2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What is being done in the U.S. to stop damage to the stratospheric ozone layer? 
 
 
Answer: 
Phasing out the use of chlorofluorocarbons and hydrochlorofluorocarbons. 
 
 
 
Q: How should disposable cylinders of CFCs, HCFCs, and HFCs be discarded? 
 
 
Answer: 
Recover all remaining refrigerant, render the cylinders useless and recycle the metal. 
 
 
 
Q: In addition to fines and being require...
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HVAC: EPA 608 Certification Study Guide | 100 Questions with 100% Correct Answers | Verified | Latest Update 2024
- Exam (elaborations) • 11 pages • 2024
- Available in package deal
-
- $10.49
- + learn more
Are there drop-in replacements for R-12 systems? Why or why not? - 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? - Ester based oils and they do not 
mix with other oils 
What type of lubricant is used with HCFCs? - Alkylbenzene lubricant 
What is difference b/w ternary blend a azeotropic blend? - Ternary blends are three-part mixtures 
whereas azeotropic blends are blends of...
-
HVAC: EPA 608 Certification Study Guide Exam Questions And Answers
- Exam (elaborations) • 9 pages • 2024
- Available in package deal
-
- $13.49
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HVAC: EPA 608 Certification Study Guide Exam Questions And Answers 
 
Are there drop-in replacements for R-12 systems? Why or why not? - ANS 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? - ANS Ester based oils and they do not mix with other oils 
 
What type of lubricant is used with HCFCs? - ANS Alkylbenzene lubricant 
 
What is the difference b/w ternary blend a az...
-
HVAC: EPA 608 Certification Study Guide with 100% Complete Solutions
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
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- $12.49
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HVAC: EPA 608 Certification Study 
Guide with 100% Complete Solutions 
Are there drop-in replacements for R-12 systems? Why or why not? - Correct 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? - Correct Answer ️️ - 
Ester based oils and they do not mix with other oils 
What type of lubricant is used with HCFCs? - Correct Answer ️️ -Alkylbenzene 
lubric...
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