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

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 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 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...

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

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 has t...

EPA Type 2 Questions and Answers | Latest Version | 2024/2025 | Already Passed What substance should be used to detect leaks in heat pumps converted from R22 to R407C? Pressurized nitrogen gas After assembling a new refrigeration system, what is the first step? Pressurize it with an inert gas and conduct a leak test Under EPA regulations, when must commercial or industrial refrigeration systems be repaired due to leakage? When the annual leak rate exceeds 35% If refrigerant ha...

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...

To process refrigerant to a level that is equal to new product specifications as - Answer- Reclaiming The low side test pressure data plate value should be used by a technician to determine a safe pressure for - Answer- Leak testing Silicone elastomers are not compatible with what refrigerant - Answer- HFC How many molecules does an ozone molecule contain? - Answer- 3 oxygen atoms Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal is the pr...