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

EPA 608 (TYPE II) Exam Questions and Answers | Latest Version | 2024/2025 | Already Passed When setting up a newly assembled system, what is the initial step? Introduce inert gas to pressurize the system and perform a leak test. According to EPA guidelines, appliances with refrigerant amounts exceeding 50 pounds (excluding those for commercial and industrial processes) must be fixed if the leakage rate surpasses what percentage of the total charge per year? 15% What is the minimu...

EPA 608 (TYPE II) Exam 2024/2025 graded A+

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 difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mi...

EPA 608 (TYPE II) Exam 2024/2025 Questions With Completed & Verified Solutions.

EPA 608 Type II Sample Test Questions with 100% Correct Answers Before charging a new system with refrigerant, what should be done? - Answer️️ - Pressurize with nitrogen (classified as an inert gas) and leak Which refrigerant can be used for leak detection as a trace gas and pressurized with nitrogen? - Answer️️ -R-22 What tools can you use to find general area of leaks and pinpoint leaks? a. Soap bubbles. b. Look for oil residue c. Electronic or ultrasonic leak detector will pr...

HVAC: EPA 608 Certification Study Guide with Complete Solutions Are there drop-in replacements for R-12 systems? Why or why not? - Answer️️ -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? - Answer️️ -Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - Answer️️ -Alkylbenzene lubricant What is difference b/w ternar...

EPA 608 Certification Exam Practice Questions and Answers What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - ANSWER-November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER-Recover all refrigerants. The objective of the Clean Air Act is to protect what? - ANSWER-The earth's stratosphere. HFC's - ANSWER-HydroFlouroCarbon's CFC's - ANSWER-ChloroFluoroCarbon's ODP - ANSWER-Ozo...

EPA 608 (TYPE II) EXAM 2025 / ACTUAL 70 QUESTIONS WITH DETAILED, VERIFIED ANSWERS (100% CORRECT ANSWERS) ALREADY GRADED A+ 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 field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & indust...

EPA 608 (TYPE II) Exam 2024/2025 already graded A+

EPA SECTION 608 CORE (2022 revision) What does ozone in the stratosphere above the earth consist of? a. Molecules containing 2 oxygen atoms. b. Molecules containing 3 oxygen atoms. c. Molecules containing 4 oxygen atoms. d. Molecules containing 5 oxygen atoms Which of the following refrigerants has the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a Which of the following gases is used as the baseline measurement for global warming potential? a. Ammo...