EPA 609 Technician Certification Exam
Questions & Verified Answers
1. 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant
Answer -
FALSE
2. 2. For determining the Ozone Depletion Potential having been
assigned a factor of 1
Answer CFC-11
3. 3. Ozone layer absorbs and scatters form the sun
Answer Ultraviolet light
4. 4. T/F R-134 is a chlorine-free refrigerant
Answer TRUE
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5. 5. a refillable refrigerant cylinder must not be filled above of its
full capacity
Answer 80%
6. 6. T/F Ester-based synthetic oils can be mixed with oils
Answer FALSE
7. 7. An award of up to may be paid to a person suppplying
information that leads to a penalty against a technician who is intentially venting
Answer $10,000
8. 8. MVAC systems being disposed must be evacuated to of
mercury before being scrapped
Answer 4 INCHES
9. 9. Since it is no longer legal for CFCs to be manufactured or
imported into the United States
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Answer JAN 1ST, 1996
10. 10. Since it is illegal to vent substitutes for CFC and HCFC
refrigerants
Answer NOV 15, 1995
11. 11. Each chlorine ion are able to destroy ozone
molecules
Answer 100,000
12. 12. Lifetime of CFSs is believed to range from years
Answer 20 TO 100
13. 13. Ozone molecules consists of atoms of oxygen
Answer -
THREE
14. 14.Non-condensables in a refrigeration system result in a
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