EPA 609 Practice Exam Questions 100% Passed

EPA 609 Practice Exam Questions 100% Passed 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 air-conditioning 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-134a refrigerant does pose a cancer or birth defects hazard - Answer ️️ -False External Recovery Tanks must be evacuated to ______ of mercury before being put into service - Answer ️️ -27 inches Disposable Refrigerant Tanks, under _______ must be evacuated before being scrapped - Answer ️️ -20 pounds HFC-134a, is the refrigerant that replaced _______ in automotive air conditioning systems - Answer ️️ -R-12