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

Refrigerant 410A Certification Questions and Answers 100% Solved -Suva 410a -AZ-20 -Puron ️️R-410a is also known as? 0.3 ️️The temperature glide for R-410a is less than _____ degrees Fahrenheit over air conditioning and refrigeration operating ranges. -Can be irritating to the skin -Is hydroscopic -Has improved heat transfer characteristics over mineral oils ️️Polyol Ester (POE): 50 psig ️️The low pressure control on R-410a systems will open at: Absolute discharge pr...

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 ...

Refrigerant 410A Certification Questions and Answers Already Passed A full nitrogen cylinder has a pressure approx: 2500 psig A leak detector capable of sensing _____ is needed when working with R-410a. HFC 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 increasing volume of the sight glass. Who is correct? Te...

EPA 608 Type 2 certification Exam Questions with Verified Answers . 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 & industrial process refrigeration) must be repaired when ...

EPA 608 Type 2 certification Exam Questions with Verified Answers Latest . 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 & industrial process refrigeration) must be repaire...

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 ...

EPA 608 Type 1 Questions and Answers 100% Pass Recovery equipemnt used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after November 15, 1993 Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 EPA's definition of...

EPA SECTION 608 TYPE I, TYPE II , TYPE III Acc 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 inches below the compressor. c. A valve installed at the factory which has a ¼ inch diameter and machine threads. d. A service aperture is not present because small appliances are exempt from this requirement. - ANSWER a. A straight ...