R 410a safety - Study guides, Class notes & Summaries

Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - Correct answer-recovery and recycling. Refrigerant that is recovered can be returned to: - - Correct answer-the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed...

R-410A Certification Final / R-410A Safety & Training Combined Sets Examination Questions With Revised Correct Detailed Answers |ALREADY GRADED A+ PASS >> BRAND NEW VERSION!! STUDY MATERIAL 1. Hygroscopic - ANSWER the air. (of a substance) tending to absorb moisture from 2. Near-Azeotropic blend - ANSWER A blend that acts very much like an azeotrope but has a small volumetric composition change and temperature glide as it evaporates and condenses. 3. ...

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 ...

R-410A safety & Training Exam 2024...

EPA Certification Exam (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION 1 What should a technician do if they discover that some R-410A was added to an R-22 system? Answer: Recover the mixture in a separate recovery tank. QUESTION What factor does NOT affect the speed of evacuation? Answer: The brand of micron gauge used. QUESTION Which of the following is NOT a recommended safety practice when operating refrigerant ...

R-410A safety & Training Pre-Test 2023/2024.Recovery cylinders used with R-410A must have a DOT rating of: - ANSWER either "DOT 4BA 400" or "DOT 4BW 400" A system using R-410A refrigerant has bubbles in the sight glass. Technician A says that the system must be low on refrigerant. Technician B says that the bubbles could be caused by the blended refrigerant flashing in the increased volume of the sight glass. Who is correct? - ANSWER Technician B only When charging a R-410A system that...

EPA Section 608 Core Questions and Answers | Latest Version | 2024/2025 | Already Passed What is the primary purpose of the Clean Air Act provisions related to refrigerants? A) To increase the production of refrigerants B) To promote the use of alternative energy sources C) To minimize the release of ozone-depleting substances D) To reduce emissions of ozone-depleting substances through the regulation of refrigerant handling What is the primary responsibility of a certified tec...

Refrigerant Retrofits Unit 9 Test with Complete Solutions What is the primary reason for performing a refrigerant retrofit? The primary reason for performing a refrigerant retrofit is to replace outdated or harmful refrigerants with more environmentally friendly alternatives. What is the first step in a refrigerant retrofit process? The first step is to conduct a thorough assessment of the existing refrigeration system and its components. What are the benefits of using hydrofluor...

EPA 608 Practice exam type 1 solved correctly The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. System dependent Y...

Recovery cylinders used with R-410A must have a DOT rating of: - either "DOT 4BA 400" or "DOT 4BW 400" A system using R-410A refrigerant has bubbles in the sight glass. Technician A says that the system must be low on refrigerant. Technician B says that the bubbles could be caused by the blended refrigerant flashing in the increased volume of the sight glass. Who is correct? - Technician B only When charging a R-410A system that uses a thermostatic expansion valve, proper charge can be...