Epa Section 608 Core Questions And Correct Answers Latest Update

EPA SECTION 608 CORE QUESTIONS AND CORRECT ANSWERS LATEST UPDATE 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 the lowest global warming potential? a. R-134a b. R-407C c. R-410A d. R-600a - ANSWER- d. R-600a Which of the following gases is used as the baseline measurement for global warming potential?a. Ammonia b. Carbon Dioxide c. CFC-12 d. Propane - ANSWER- b. Carbon Dioxide Which type of refrigerant typically has the lowest global warming potential? a. HCFCs b. HFOs c. HFCs d. All are equal - ANSWER- b. HFOs What is the state of refrigerant entering the compressor of a refrigeration system? a. Low pressure subcooled liquid b. Low pressure superheated vapor c. High pressure subcooled liquid d. High pressure subcooled vapor - ANSWER- b. Low pressure superheated vapor How does the global warming potential of R-410A compare to that of carbon dioxide? a. It is lower. b. They are equal. c. It is hundreds of times greater. d. It