EPA 608 CORE Exam with 100% verified solutions 2023/2024

EPA 608 CORE Exam What characteris+c or characteris+cs of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flourine and carbon Which refrigerant is a chlorine free refrigerant? HFC R 134A What is the result damage to the ozone layer? Increases in human skin cancer According to the EPA, chlorine in the stratosphere is believed to come primarily from the CFCs rather than from volcanoes because -) The rise in the amount of chlorine measured in the stratosphere over the past 2 decades matches the rise of chlorine which has different natural sources of chlorune overthe same period -) The rise of chlorine in the statosphere matches the rise in CFCs over the same period -) samples of air taken over erup+ng volcanoes shows that volcanoes contribute a small amount of chlorine in the stratosphere compared to CFCs -) ALL OF THE ABOVE Which is a viola+on of the EPA clean air act? -) falsifying or failing to keep required records -) failing to keep evacua+on levels before opening or disposing of appliances -) knowingly releasing HFC's, HCFCs or CFC refrigerants -) ALL OF THE ABOVE Discarding of disposable cylinders is accomplished by Assuring that all refrigerant is recovered and that the cylinders are rendered useless then recycle the metal How much money can be awarded to a person who supplies informa+on leading to a convic+on against the technician who is inten+onally ven+ng refrigerants or viola+ngsome other provision of the EPA CLEAN AIR ACT $10,000 CFC's will no longer be manufactured or imported into the U.S. a^er what year? 1995 Since July 1, 1992 it has been illegal to: Knowingly releasing HCF or HCFC refrigerants in the U.S. Which compounds are controlled by the Montreal protocol? -) chloric floric carbons -) hydro chloric carbons -) halons -) all of the above EPA regula+ons cover all AC and refrigera+on equipment when containing what? Any refrigerant or refrigerant subs+tute The synte+c subs+tute currently usedwith blends containing HCFCs is: Alcobenzine What is the significance of atheotropic mixture: The mixture combines to act as a single compound refrigerant