Epa 608 core exam 2025 Study guides, Class notes & Summaries

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 ...

EPA 608 CORE EXAM Questions and Answers (2024/2025) (Verified Answers) Graded A+

EPA 608 Core Final Exam 2024/2025...

EPA 608 CORE Exam Questions and Answers (2024/2025) (Verified Answers) 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...

EPA 608 (CORE) Exam 2024/2025 graded A+

EPA 608 Core Exam Questions with Verified Solutions 2024 When moisture exists in an operating system, what is most likely to occur? - Answer -Acid will form. What factor(s) affects the speed of evacuation? - Answer -1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is considered dehydrated when? - Answer -The vacuum indicator shows you have reached & held the required finished vacuum. The over-evacuation of a system:...