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

Practice Exam: Universal R-410A Test 2023/2024. Polyolester (POE) oils stored in plastic containers will: -Separate -Become more alkaline -Become acidic -Absorb moisture through the plastic - ANSWER Absorb moisture through the plastic R-407C has: -A foul odor -To be charged in the vapor phase -The ability to fractionate -No temperature glide - ANSWER The ability to fractionate A condensing unit designed for use with R-22: -Must be replaced with a model designed for use with...

EPA 608 Questions and Answers | Latest Update (2024/2025) Already Passed What should be checked daily in refrigerant recovery equipment? Refrigerant leaks and oil levels. Is it advisable to use recovery machines on equipment with hydrogen? No. Which test is used to determine refrigerant purity? ARI 700. What type of recovery unit only requires one service connection? Self-contained recovery units. What effect does air have on discharge pressures in a refrigeration system? It...

Which of the following refrigerant has a GWP of "1"? A) R-22 B) R-1233zd C) R-410A D) R-134a - B) R-1233zd The molecule found in CFCs and HCFCs that depletes O-Zone is: A) Fluorine B) Chlorine C) Hydrogen D) Carbon - B) Chlorine Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the proper disposal method for; A) disposable cylinders B) recovery cylinders C) one pound cans D) accumulator cylinders - A) disposable cylinder...

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...

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 ...

the state of the refrigerant entering the metering device is? - Answer- A subcooled high pressure liquid. what type of refrigerant is used in VERY high-pressure appliances? - Answer- R-503 what type of refrigerant is used in MEDIUM pressure appliances? - Answer- R-500 what type of refrigerant is used in HIGH pressure appliances? - Answer- R-410A and R-22 what device is located at the END of the liquid line? - Answer- The expansion device. what type of refrigerants are the LEAST ha...

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...

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 repaired when the leak rate...

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...

EPA Type 2 Practice Test Questions with 100% Correct Answers | Verified | Latest Update 2024| Rated A+ Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: pressurized nitrogen When a new system has been assembled, the first thing to do is: pressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per yea...