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 gy gy gy gy y
g




2. Ozone layer absorbs and scatters gy gy gy gy gy from the sun:ultraviolet light
gy gy y
g gy




3. For determining the Ozone Depletion Potential
gy gy gy gy gy gy havingbeenas- y
g y
g




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




4. A refillable refrigerant cylinder must not be filled above
gy gy gy gy gy gy gy gy gy ofitsfull
y
g y
g




capacity.: 80%
gy gy




5. Ozone at ground level and at Stratosphere is a harmful pollutant:False
gy gy gy gy gy gy gy gy gy gy y
g




6. Each chlorine ion can able to destroy
gy gy gy gy gy gy gy ozone molecules:100,000 gy y
g




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




8. An award of up to
gy maybepaidtoapersonsupplyinginformationthat
gy gy gy gy y
g y
g y
g y
g y
g y
g y
g y
g




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




9. Ester-based synthetic oils can be mixed with other oils:False gy gy gy gy gy gy gy gy y
g




10. Since gy ,itisillegaltoventsubstitutesforCFCandHCFCrefrigerants-
y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g





gy gy

, :Nov 15, 1995
y
g gy gy




11. MVAC systems being disposed must be evacuated to gy gy gy gy gy gy gy gy ofmercury y
g




before being scrapped: 4 inches
gy gy gy gy gy




12. Since ,it is no longer legal for CFCs to be manufactured or gy y
g gy gy gy gy gy gy gy gy gy gy




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




13. The Clean Air Act (CAA) of directsEPAtoestablishrequirements
gy gy gy gy gy gy y
g y
g y
g y
g




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




14. At high temperatures, CFC-12 can decompose to form
gy gy gy gy gy gy gy gy :hydrochlo-
y
g




ric and hydrofluoric acid
gy gy gy gy




15. Ozone molecule consists of gy gy gy gy atoms of oxygen:three gy gy y
g




16. CFCs are highly reactive in gy gy gy gy gy of atmosphere:lower gy y
g




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




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




from,andintendedtobereturnedto,amobileair-conditioningsystemcannot
gy y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g




exceed
gy PPM by weight.: 15 gy gy gy gy




19. Over the road refrigeration units and R-22 (HCFC) air conditioning,such as gy gy gy gy gy gy gy gy gy y
g gy




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




20. Ozone depletion increases global warming:True gy gy gy gy y
g




21. Refrigerants are lighter than the air::False gy gy gy gy gy y
g




22. Stratosphere layer consists of about gy gy gy gy gy ofthe available Ozone::90%
gy gy gy y
g




23. Everyrefrigerantcylinderneednotbeprotectedbysometypeofpressure relief y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g y
g gy




device:: False
gy gy




24. If a technician is already trained and certified to handle CFC-12,he has to be re-
gy gy gy gy gy gy gy gy gy gy y
g gy gy gy gy




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





gy gy