Epa 608 type 2 test - Study guides, Class notes & Summaries

EPA 608 Type 3 Questions and Answers | Latest Version | 2024/2025 | Already Passed How does moisture generally infiltrate low pressure chillers? Through air leaks in gasketed or fitting areas. What is the highest test pressure permissible for leak testing a low pressure centrifugal system? 10 psig. To minimize refrigerant loss from a purge unit on a CFC-11 chiller, you should: Conduct leak tests and repair the chiller. What is the purpose of a hydrostatic tube test kit? To de...

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...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% witho...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% witho...

EPA 608 Type 2 Final Test 2024. Technicians maintaining, servicing, repairing or disposing of high pressure or very high-pressure appliances, except small appliances and MVAC, must be certified either as a Universal Technician or a ______ ___. - ANSWER Type 2 After the installation of any type of system, the unit should be pressurized with _____ and _____ checked. - ANSWER nitrogen leak Nitrogen is an ______ gas. - ANSWER inert In order to determine the general area of a leak, technici...

EPA 608 CORE EXAM QUESTIONS AND ANSWERS What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? - Answer ️️ -Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? - Answer ️️ - 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? - Answer ️️ -Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? - Answer ️️ -Hydr...

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 Certification Exam An ----- should be taken and ----- if a system has a major component failure. - ANSWER oil sample analyzed (evacuation) The system vacuum gauge should be connected ----- from the vacuum pump. - ANSWER far as possible To receive any certification, which section must be passed? - ANSWER Section A (core) Always review the -----, when working with any solvents, chemicals, or refrigerants - ANSWER material safety data sheets Cylinders should be transported in an -----...