EPA SECTION 609 FINAL STUDY GUIDE
2026 SOLVED QUESTIONS FULLY CORRECT
⫸ 2. For determining the Ozone Depletion Potential __________
having been assigned a factor of 1 Answer: CFC-11
⫸ 3. Ozone layer absorbs and scatters __________ form the sun
Answer: Ultraviolet light
⫸ 4. T/F R-134 is a chlorine-free refrigerant Answer: TRUE
⫸ 5. a refillable refrigerant cylinder must not be filled above _________
of its full capacity Answer: 80%
⫸ 6. T/F Ester-based synthetic oils can be mixed with oils Answer:
FALSE
⫸ 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. MVAC systems being disposed must be evacuated to
_____________ of mercury before being scrapped Answer: 4 INCHES
,⫸ 9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States Answer: JAN 1ST,
1996
⫸ 10. Since ___________________ it is illegal to vent substitutes for
CFC and HCFC refrigerants Answer: NOV 15, 1995
⫸ 11. Each chlorine ion are able to destroy ___________________
ozone molecules Answer: 100,000
⫸ 12. Lifetime of CFSs is believed to range from ________ years
Answer: 20 TO 100
⫸ 13. Ozone molecules consists of _______________ atoms of oxygen
Answer: THREE
⫸ 14.Non-condensables in a refrigeration system result in a
________________ discharge pressure Answer: higher
⫸ 15. T/F Ozone depletion increases global warming Answer: TRUE
⫸ 16. T/F If a technician is already trained and certified to handle HFC-
134a Answer: FALSE
, ⫸ 17.The Clean Air Act (CAA) of _____________ directs EPA to
establish requirements Answer: 1990
⫸ 18. Over the road refrigeration units and R-22 (HCFC) air
conditioning Answer: such as that found in buses, also require Section
____________ certification, 608
⫸ 19. Moisture level in Recycled R-12(CFC-12) that has been directly
removed from Answer: and intended to be returned to, a mobile air-
conditioning system cannot exceed ________________ PPM by weight,
15
⫸ 20. At high temperature CFC-12 can decompose to form
_____________ Answer: hydrochloric or hydrofluoric acid
⫸ 21. T/F Refrigerants are light than air Answer: FALSE
⫸ 22. T/F Every refrigerant cylinder need not be protected by some type
of pressure relief device Answer: FALSE
⫸ 23. Stratosphere layer consists of about ____________ of the
available Ozone: Answer: 90%
⫸ 24.CFC are highly reactive in _______________ of atmosphere
Answer: lower levels
2026 SOLVED QUESTIONS FULLY CORRECT
⫸ 2. For determining the Ozone Depletion Potential __________
having been assigned a factor of 1 Answer: CFC-11
⫸ 3. Ozone layer absorbs and scatters __________ form the sun
Answer: Ultraviolet light
⫸ 4. T/F R-134 is a chlorine-free refrigerant Answer: TRUE
⫸ 5. a refillable refrigerant cylinder must not be filled above _________
of its full capacity Answer: 80%
⫸ 6. T/F Ester-based synthetic oils can be mixed with oils Answer:
FALSE
⫸ 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. MVAC systems being disposed must be evacuated to
_____________ of mercury before being scrapped Answer: 4 INCHES
,⫸ 9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States Answer: JAN 1ST,
1996
⫸ 10. Since ___________________ it is illegal to vent substitutes for
CFC and HCFC refrigerants Answer: NOV 15, 1995
⫸ 11. Each chlorine ion are able to destroy ___________________
ozone molecules Answer: 100,000
⫸ 12. Lifetime of CFSs is believed to range from ________ years
Answer: 20 TO 100
⫸ 13. Ozone molecules consists of _______________ atoms of oxygen
Answer: THREE
⫸ 14.Non-condensables in a refrigeration system result in a
________________ discharge pressure Answer: higher
⫸ 15. T/F Ozone depletion increases global warming Answer: TRUE
⫸ 16. T/F If a technician is already trained and certified to handle HFC-
134a Answer: FALSE
, ⫸ 17.The Clean Air Act (CAA) of _____________ directs EPA to
establish requirements Answer: 1990
⫸ 18. Over the road refrigeration units and R-22 (HCFC) air
conditioning Answer: such as that found in buses, also require Section
____________ certification, 608
⫸ 19. Moisture level in Recycled R-12(CFC-12) that has been directly
removed from Answer: and intended to be returned to, a mobile air-
conditioning system cannot exceed ________________ PPM by weight,
15
⫸ 20. At high temperature CFC-12 can decompose to form
_____________ Answer: hydrochloric or hydrofluoric acid
⫸ 21. T/F Refrigerants are light than air Answer: FALSE
⫸ 22. T/F Every refrigerant cylinder need not be protected by some type
of pressure relief device Answer: FALSE
⫸ 23. Stratosphere layer consists of about ____________ of the
available Ozone: Answer: 90%
⫸ 24.CFC are highly reactive in _______________ of atmosphere
Answer: lower levels
