EPA 609 Practice questions with accurate detailed answers

EPA 609 Practice questions with ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




accurate answers ||//\\||//\\||




R-134a is a chlorine-free refrigerant - correct answer✔✔True ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




Ozone layer absorbs and scatters ________ from the sun - correct answer✔✔ultraviolet light
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For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 -
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correct answer✔✔CFC-11 ||//\\||




A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - correct
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answer✔✔80%



Ozone at ground level and at Stratosphere is a harmful pollutant - correct answer✔✔False
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Each chlorine ion can able to destroy ______ ozone molecules - correct answer✔✔100,000
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Lifetime of CFCs is believed to range from _____ years - correct answer✔✔20-100 ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




An award of up to ______ may be paid to a person supplying information that leads to a penalty
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against a technician who is intentionally venting. - correct answer✔✔$10,000
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Ester-based synthetic oils can be mixed with other oils - correct answer✔✔False ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - correct
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answer✔✔Nov 15, 1995 ||//\\|| ||//\\||

, MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped - ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




correct answer✔✔4 inches ||//\\|| ||//\\||




Since ________, it is no longer legal for CFCs to be manufactured or imported into the United
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States - correct answer✔✔Jan 1, 1996 ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release
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of ozone depleting substances. - correct answer✔✔1990
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At high temperatures, CFC-12 can decompose to form _______ - correct answer✔✔hydrochloric
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and hydrofluoric acid ||//\\|| ||//\\||




Ozone molecule consists of ______ atoms of oxygen - correct answer✔✔three ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




CFCs are highly reactive in _____ of atmosphere - correct answer✔✔lower
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Non-condensables in a refrigeration system result in a _______ discharge pressure - correct ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




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. - correct
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answer✔✔15



Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses,
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also requires Section ______ certification - correct answer✔✔608
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Ozone depletion increases global warming - correct answer✔✔True ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




Refrigerants are lighter than the air: - correct answer✔✔False ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||