EPA 609 Practice Questions And Answers Verified 100% Correct

EPA 609 Practice Questions And Answers Verified 100% Correct CFCs deplete stratospheric ozone and that a "hole" had developed in the ozone layer over ______ - ANSWER Antarctica ______ has recently been approved for use in automobile applications as an alternative to R-134a - ANSWER R152a HFCs and HCFCs decompose when released in the lower atmosphere: - ANSWER True The Global Warming Potential is reported relative to _______: - ANSWER carbon dioxide EPA is authorized to assess fines of up to ______ per day per violation for any violation of the act - ANSWER $37,500 A floor tax also applies to anyone holding ______ or more of the regulated CFCs - ANSWER 400 lb. R-12 is a ______ type of refrigerant - ANSWER CFC HFCs contributes to the global warming: - ANSWER True CFC refrigerants are chemically highly unstable: - ANSWER False Ultraviolet radiation breaks down the CFCs and frees the chlorine ion - ANSWER True At present there is no restriction on the sale of HFC-134a - ANSWER True Hydrofluorocarbons (HFCs) contributes to which of the following: - ANSWER global warming The thermodynamic properties of HFC-134a are similar to CFC- 12 - ANSWER True The "ozone layer" consists of ozone in which part of the atmosphere: - ANSWER stratosphere As per the CAA, all records related to entities of MVAC system services must be maintained for ________ years - ANSWER 3 _______ has replaced CFC-12 in all automotive applications - ANSWER HFC-134a The primary cause of over-pressurization of refrigeration cylinder is due to overheating - ANSWER True The color code for R-12 disposable refrigerant cylinders is ______ - ANSWER white Since _______, it has been mandatory to recycle HFC-134a as well as any other automotive refrigerant before returning to that MVAC or sold: - ANSWER Jan 29, 1998 Halons were completely phased out by 1994 - ANSWER True R-134a is flammable at ambient temperatures and atmospheric pressures - ANSWER False Since ______, it has been illegal to vent substitutes for CFC 3. and HCFC refrigerants: - ANSWER Nov 15, 1995 Which of the following will not react with ozone gas: - ANSWER Fluorine Montreal Protocol is signed in ______ by 23 counties including USA - ANSWER Sep 1987 The sale of small containers of refrigerant under _______, including the one pound cans, are restricted to only people certified in Section 609 - ANSWER 20 lb Disposable cylinders are manufactured from: - ANSWER steel HFC-134a refrigerant has an Ozone Depletion Potential of: - ANSWER 0.0 Ozone layer is present in both Stratosphere and mesosphere layers of earth's atmosphere: - ANSWER False R-134a refrigerant has low solubility in non-polar lubricants - ANSWER True Average ozone concentration in Earth's atmosphere as a whole is only about ______ parts per million - ANSWER 0.3 Use of Carbon dioxide (R-744) refrigerant results into a ______ efficiency cycle: - ANSWER much lower Recovery cylinders are painted yellow in the shoulder area and _____ down the side - ANSWER 12 inches Technicians who repair or service HFC-134a MVACs must be trained and certified by an EPA-approved organization - ANSWER True Moisture content in recycled R-134a (HFC-134a) that has been directly removed from and intended to be returned to a mobile airconditioning system cannot exceed _______ by weight - ANSWER 50 PPM R-134a disposable refrigerant cylinder is ________ color coded: - ANSWER light blue