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

Refrigerant 410A Certification Exam With Verified And Updated Questions And Answers. -Suva 410a -AZ-20 -Puron - answerR-410a is also known as? 0.3 - answerThe 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 - answerPolyol Ester (POE): 50 psig - answerThe low pressure control on R-410a systems will open...

UPDATED EPA 608 QUIZLET (2024) FINAL EXAM |100% CORRECT| the state of the refrigerant entering the metering device is? *Ans* A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? *Ans* R-503 what type of refrigerant is used in MEDIUM pressure appliances? *Ans* R-500 what type of refrigerant is used in HIGH pressure appliances? *Ans* R-410A and R-22 what device is located at the END of the liquid line? *Ans* The expansion device. what type o...

EPA 608 (TYPE II) Exam 2023/2024 with Correct Answers Graded A When a new system has been assembled, the first thing to do is? - Correct Answer 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? - Correct Answer 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 refrigera...

Updated Exam With Reviewed Solutions For Epa 608 the state of the refrigerant entering the metering device is? - CORRECT ANSWER-A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - CORRECT ANSWER-R-503 what type of refrigerant is used in MEDIUM pressure appliances? - CORRECT ANSWER-R-500 what type of refrigerant is used in HIGH pressure appliances? - CORRECT ANSWERR-410A and R-22 what device is located at the END of the liquid line?...

EPA 608 TYPE II Exam Questions with 100% Correct Answers | Verified | Latest Update 2024| Rated 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 & industrial process refrigerati...

EPA 608 Type 3 exam with 100% Complete Solutions. On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be ...

EPA 608 TYPE II TEST / EPA 608 TYPE III TEST QUALIFIED EXAM 2024 LATEST UPDATE (210 + ) ELABORATED QUESTIONS AND HIGHLIGHTED ANSWERS GRADED A+. After reaching the required recovery vacuum on a system you must: ______________. a) immediately disconnect the recycling or recovery equipment and open the system for service b) immediately break the vacuum with nitrogen and open the system for service c) immediately pressurize the system with nitrogen and perform a leak check d) wait to see...

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...

EPA 608 Final Exam |Question and Answer| 100% Correct Answer 2024/2025 To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines: *Ans* Reclaiming Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for: *Ans* Disposable cylinders Clean refrigerant for reuse by separating the oil from the refrigerant by passing it through one or more filter driers is...

EPA 608 CORE EXAM TESTS COMBINED | VERIFIED TEST QUESTIONS WITH CORRECT SOLUTIONS Where is the stratosphere? - ANSWER 10 to 30 miles Where is ozone located? - ANSWER stratosphere 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 - ANSWER b. Molecules containing 3 oxygen atoms Which of the following refrigerants ha...