EPA 608 [2024] Core Exam Elaboration |100% Correct Answers|

EPA 608 [2024] Core Exam Elaboration |100% Correct Answers| all of the above *Ans* Refrigeration technicians who violate the clean air act can: A. lose their epa certification B. be fined. C. be required to appear in federal court D. all of the above november 1995 *Ans* It has been illegal to vent substitutes for CFC and HCFC refrigerants since: R22 *Ans* which refrigerant has the lowest odp? R22, R11, R12, R113 recover *Ans* to remove refrigerant in any condition from a system and store it in an external container without necessarily testing or processing it in any way is to ________. no *Ans* Does the EPA recognize any refrigerant "drop-in" replacements? slow *Ans* Do low ambient temperatures slow or speed up the process of refrigerant recovery? hcfc *Ans* Chemical composition of R-124 temperature glide *Ans* The term used to describe the fact that a refrigerant blend has a range of boiling or condensing points at a constant pressure is ________ _________. CFCs in air samples from the atmosphere *Ans* What is the best proof that there are CFCs in the atmosphere? Is it the measurement of: A. CFCs in smog B. other man-made compounds in air samples from the stratosphere? C. CFCs in air samples from the atmosphere all contribute *Ans* According to the EPA, which of the following do NOT contribute to global warming? CFC, HCFC, HFC? can cause asphyxia *Ans* Even though R-22 is considered non-toxic, it: A. is lighter than air B. can cause asphyxia C. is a class 1 refrigerant D. can be detected by its color 1995 *Ans* CFCs will no longer be manufactured or imported into the U.S. after what year? water vapor *Ans* A system is dehydrated to remove water and _____ ______. R500 *Ans* Which of the following refrigerants contains a CFC: R500, R410A, R134A, OR R123? 5 *Ans* The EPA's definition of a, type 1, small appliance, is a device that contains a factory charge of _____ lbs or less and is hermetically sealed at the factory. small appliances *Ans* The EPA regulation requires any person who opens an appliance for maintenance to have at least one self-contained recovery machine available. The only exception: _____ _____ Phosgene gas *Ans* At high temperatures, R-12 and R-22 can decompose to form: ______ _______