EPA 609 Practice Questions With Verified Answers 100%

EPA 609 Practice Questions With Verified Answers 100% R-134a is a chlorine-free refrigerant - ANSWER True Ozone layer absorbs and scatters ________ from the sun - ANSWER ultraviolet light For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 - ANSWER CFC-11 A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - ANSWER 80% Ozone at ground level and at Stratosphere is a harmful pollutant - ANSWER False Each chlorine ion can able to destroy ______ ozone molecules - ANSWER 100,000 Lifetime of CFCs is believed to range from _____ years - ANSWER 20-100 An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - ANSWER $10,000 Ester-based synthetic oils can be mixed with other oils - ANSWER False Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - ANSWER Nov 15, 1995 MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped - ANSWER 4 inches Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - ANSWER Jan 1, 1996 The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone depleting substances. - ANSWER 1990 At high temperatures, CFC-12 can decompose to form _______ - ANSWER hydrochloric and hydrofluoric acid Ozone molecule consists of ______ atoms of oxygen - ANSWER three CFCs are highly reactive in _____ of atmosphere - ANSWER lower Non-condensables in a refrigeration system result in a _______ discharge pressure - ANSWER higher Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to be returned to, a mobile airconditioning system cannot exceed _______ PPM by weight. - ANSWER 15 Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also requires Section ______ certification - ANSWER 608 Ozone depletion increases global warming - ANSWER True Refrigerants are lighter than the air: - ANSWER False Stratosphere layer consists of about _____ of the available Ozone: - ANSWER 90% Every refrigerant cylinder need not be protected by some type of pressure relief device: - ANSWER False If a technician is already trained and certified to handle CFC-12, he has to be re-certified to handle HFC-134a - ANSWER False Which of the following refrigerants has high ozone-depletion potential: - ANSWER CFCs R-152a is a chemical compound composed of which of the following: (Multiple Answer Question) - ANSWER Carbon, Hydrogen, Fluorine R-134