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EPA 609 Practice (Passed) 2024 Questions Perfectly Answered!!
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EPA 609 Practice (Passed) 2024 Questions Perfectly Answered!!
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EPA 609 Practice (Passed) 2024 Questions Perfectly Answered!!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
Which of the following has the Ozone Depletion Potential (ODP) value of 1 Answer - CFC-11
CFCs manufacture was discontinued as of _______ Answer - January 1, 1996
______ of stratospheric chlorine comes from ozone-depleting substances Answer - 82%
MVAC systems need not be evacuated to a vacuum before servicing Answer - False
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