Alkylbenzene lubricant Study guides, Class notes & Summaries

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 aze...

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 mixtu...

EPA 1 Questions and Answers | Latest Version | 2024/2025 | Graded A+ What does the ozone layer shield the Earth from? a) nuclear rays b) space debris c) ultraviolet rays from the sun d) infrared rays from the sun c) ultraviolet rays from the sun Refrigerant recovery tools must: a) be movable b) have a protective covering c) be rated at 20,000 BTU/hr d) adhere to EPA standards d) adhere to EPA standards Technicians violating the Clean Air Act can face: a) penalties 2 b)...

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 | Questions and Correct Solutions Latest Update 2024/2025 | Graded A+ 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...

Epa 608 Certification Study Set Exam 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 ANSWEREster 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 b...

AHRI correct answer: Air Conditioning, Heating, and Refrigeration Institute. Professional organization that maintains technical standards, certifies products, shares data, and conducts research. AKB correct answer: Alkylbenzene. A synthetic refrigeration lubricant that better thermal stability compared to traditional mineral oil. They can be used in systems designed for CFCs and HCFCs. Appliance correct answer: Device that contains and uses a refrigerant for household or commercial purp...

HVAC: EPA 608 Certification Study Guide || 100 Questions|| Accurate 100%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 az...

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 Questions With Verified Solutions| ALREADY PASSED. UPDATED 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 Wh...