R 410a test exam 2024 - Study guides, Class notes & Summaries

EPA 608 (TYPE II) Exam Questions and Answers | Latest Version | 2024/2025 | Already Passed When setting up a newly assembled system, what is the initial step? Introduce inert gas to pressurize the system and perform a leak test. According to EPA guidelines, appliances with refrigerant amounts exceeding 50 pounds (excluding those for commercial and industrial processes) must be fixed if the leakage rate surpasses what percentage of the total charge per year? 15% What is the minimu...

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...

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...

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 TYPE 3 TEST/ EPA 608 TYPE 3 REAL EXAM TEST 2024 LATEST UPDATE VERIFIED QUESTIONS & CORRECTLY HIGHLIGHTED ANSWERS 100% GUARANTEED PASS. During the evacuation of a system containing large amounts of moisture you can prevent freezing of this moisture by increasing the pressure with______gas - ANSWER- nitrogen ASHRAE standard 15-1994 requires that each machinery room must activate an alarm and mechanical ventilation beofre refrigerant concentrations exceed: - ANSWER- the thresh...

EPA 608 – core exam 2024 Which of the following refrigerant has a GWP of "1"? A) R-22 B) R-1233zd C) R-410A D) R-134a - Answer ️️ -B) R-1233zd The molecule found in CFCs and HCFCs that depletes O-Zone is: A) Fluorine B) Chlorine C) Hydrogen D) Carbon - Answer ️️ -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)...

R-410A

EPA 608 – core exam 2024 Which of the following refrigerant has a GWP of "1"? A) R-22 B) R-1233zd C) R-410A D) R-134a - Answer ️️ -B) R-1233zd The molecule found in CFCs and HCFCs that depletes O-Zone is: A) Fluorine B) Chlorine C) Hydrogen D) Carbon - Answer ️️ -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)...

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

EPA 608 – core exam 2024 Which of the following refrigerant has a GWP of "1"? A) R-22 B) R-1233zd C) R-410A D) R-134a - Answer ️️ -B) R-1233zd The molecule found in CFCs and HCFCs that depletes O-Zone is: A) Fluorine B) Chlorine C) Hydrogen D) Carbon - Answer ️️ -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)...