Epa 608 type ii exam 2025 - Study guides, Class notes & Summaries

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single compound. What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture What is temperature glide and...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo 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 ANSWERAlkylbenzene lubricant What is diffe...

EPA 608 (TYPE II) Exam 1 / COMPLETE STUDY GUIDE/ ACTUAL ACCURATE QUIZZES WITH DETAILED, VERIFIED ANSWERS / A GRADE / 2025. Practice questions for this set Terms in this set (70) When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a fieldpiped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing mor...

EPA SECTION 608 TYPE II (2019 revision) ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT ANSWERS 2025 UPDATE (VERIFIED ANSWERS) |ALREADY GRADED A+ Terms in this set (80) When first inspecting a hermetic system known to be leaking, you should look for; a. frost on the tubing b. puddles of refrigerant. c. particles of filter driercore. d. traces of oil. D Which part of a beltdriven non-hermetic compressor is most likely to leak if the compressor has not been used for serval months? a. Suction ...

HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo 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 ANSWERAlkylbenzene lubricant What is diffe...

EPA 608 (TYPE II) Exam |100% Correct| Question and Answer 2024/2025 When a new system has been assembled, the first thing to do is? *Ans* Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? *Ans* Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be ...

©FYNDLAY 2024/2025 ALL RIGHTS RESERVED 12:27AM. A+ 1 HVAC: EPA 608 Certification Study Guide Exam Questions And Answers| Already Graded A+| Latest Update. Are there drop-in replacements for R-12 systems? Why or why not? - AnswerNo 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? - AnswerEster based oils and they do not mix with other oils What type of lubricant is used wit...

EPA SECTION 608 TYPE I, TYPE II & TYPE III / EXAM QUESTIONS BANK NEWEST ACTUAL EXAM COMPLETE 190+ QUESTIONS AND CORRECT ANSWERS / 2025. What is typically used on small appliances as a service aperture or other device for adding or removing refrigerant? a. A straight piece of tubing that is entered using a piercing access tube. b. A line located 15 inchesbelow the compressor. c. A valve installed at thefactory which has a ¼ inch diameter and machine threads. d. A service aperture isnot prese...