EPA 609 Practice Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+

EPA 609 Practice
Questions & 100% Correct Answers (Verified) | Latest
Update | Grade A+




1. R-134a is a chlorine-free refrigerant:True so so so so o
s




2. Ozone layer absorbs and scatters so so so so so from the sun:ultraviolet light
so so o
s so




3. For determining the Ozone Depletion Potential
so so so so so so havingbeenas- o
s o
s




signed a factor of 1: CFC-11
so so so so so so




4. A refillable refrigerant cylinder must not be filled above
so so so so so so so so so ofitsfull
o
s o
s




capacity.: 80%
so so




5. Ozone at ground level and at Stratosphere is a harmful pollutant:False
so so so so so so so so so so o
s




6. Each chlorine ion can able to destroy
so so so so so so so ozone molecules:100,000 so o
s




7. Lifetime of CFCs is believed to range from ________ years: 20-100
so so so so so so so so




8. An award of up to
so maybepaidtoapersonsupplyinginformationthat
so so so so o
s o
s o
s o
s o
s o
s o
s o
s




leads to a penalty against a technician who is intentionally venting.:$10,000
so so so so so so so so so so so so




9. Ester-based synthetic oils can be mixed with other oils:False so so so so so so so so o
s




10. Since so ,itisillegaltoventsubstitutesforCFCandHCFCrefrigerants-
o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s




1 /11so so

, :Nov 15, 1995
o
s so so




11. MVAC systems being disposed must be evacuated to so so so so so so so so ofmercury o
s




before being scrapped: 4 inches
so so so so so




12. Since ,it is no longer legal for CFCs to be manufactured or so o
s so so so so so so so so so so




imported into the United States: Jan 1, 1996
so so so so so so so so




13. The Clean Air Act (CAA) of directsEPAtoestablishrequirements
so so so so so so o
s o
s o
s o
s




to prevent the release of ozone depleting substances.: 1990
so so so so so so so so so




14. At high temperatures, CFC-12 can decompose to form
so so so so so so so so :hydrochlo-
o
s




ric and hydrofluoric acid
so so so so




15. Ozone molecule consists of so so so so atoms of oxygen:three so so o
s




16. CFCs are highly reactive in so so so so so of atmosphere:lower so o
s




17. Non-condensables in a refrigeration system result in a so so so so so so so so discharge
pressure: higher
so so




18. Moisture level in Recycled R-12 (CFC-12) that has been directly removed so so so so so so so so so so




from,andintendedtobereturnedto,amobileair-conditioningsystemcannot
so o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s




exceed
so PPM by weight.: 15 so so so so




19. Over the road refrigeration units and R-22 (HCFC) air conditioning,such as
so so so so so so so so so o
s so




that found in buses, also requires Section __________ certification: 608
so so so so so so so so




20. Ozone depletion increases global warming:True so so so so o
s




21. Refrigerants are lighter than the air::False so so so so so o
s




22. Stratosphere layer consists of about so so so so so ofthe available Ozone::90%
so so so o
s




23. Everyrefrigerantcylinderneednotbeprotectedbysometypeofpressure relief o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s o
s so




device:: False
so so




24. If a technician is already trained and certified to handle CFC-12,he has to be re-
so so so so so so so so so so o
s so so so so




certified to handle HFC-134a: False so so so so




2 /11so so