A cfc contains - Study guides, Class notes & Summaries

Dont disolve iin water What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? 100,000 ozone molecules Each chlorine atom in the stratosphere can destroy how many ozone molecules? Theyre all CFC's Which refrigerant contains a CFC? R500, R12, R113 or R11? Hydrogen, chlorine, flourine and carbon HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? HFC R 134A Which refrigerant is a chlorine fre...

EPA 608 Exam Practice Questions 1-100EPA 608 Exam Practice Questions 1-100 Ozone depletion is caused by _______ in HFC refrigerants. - Answer chlorine CFCs and HCFCs ________ making them capable capable of reaching the stratospheric ozone layer. - Answer do not dissolve in water or easily break down in the atmosphere According to the Rolanda-Molina theory, ________ are destroyed by each chlorine atom in the stratosphere. - Answer 100,000 ozone molecules The stratospheric ozone layer prote...

A _____ is a heat exchanger that transfer heat from the refrigerant flowing inside it to the air. The temperature of the refrigerant flowing through it is VERY HIGH - CONDENSER A ______ is used to seal duct seams against leaks. - SPACIAL TYPE OF MASTIC A class of refrigerants that contains chlorine, fluorine, and carbon is call._____ - CHLOROFLUOROCARBON - CFC A class of refrigerants that contains hydrogen, chlorine, fluorine, and carbon is call_____ - HYDROCHLOROFLOUOROCARCON - HCFC A de...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin layer of CFC and H...

EPA 608 study material including (Core, type 1, 2 and 3) Exam Questions And Answers a vacuum pump should be connected - as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - oxygen atoms one chlorine atom can destroy - 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve i...

A "compound gauge": Can only be used for low pressures - Has different unit scales According to EPA regulations, when system flushing is required following a compressor burnout, the following refrigerant must be used: System flushing with refrigerants is illegal A CFC contains: Chlorine, fluorine, carbon A CFC - 11 cylinder is: Orange An HFC-134a cylinder is: Sky blue or pale blue A chlorine atom will combine with an ozone molecule to form: Chlorine Mon...

be connected as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three oxygen atoms one chlorine atom can destroy 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water CFC's cannot be washed out of the lower atmosphere ODP ozone depletion potentia...

Ozone depletion is caused by _______ in HFC refrigerants. - Answer-chlorine CFCs and HCFCs ________ making them capable capable of reaching the stratospheric ozone layer. - Answer-do not dissolve in water or easily break down in the atmosphere According to the Rolanda-Molina theory, ________ are destroyed by each chlorine atom in the stratosphere. - Answer-100,000 ozone molecules The stratospheric ozone layer protects us from _______. - Answer-ultraviolet radiation from the sun Which...

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

EPA 608 study material including (Core, type 1, 2 and 3) Exam Elaboration |100% Correct| a vacum pump should be connected *Ans* as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will *Ans* dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three *Ans* oxygen atoms one chlorine atom can destroy *Ans* 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds ...