EPA 608 UNIVERSAL CERTIFICATION
EXAM 2026 200 PRACTICE
QUESTIONS WITH ANSWERS AND
RATIONALES | PASS ON FIRST TRY
EPA 608 Universal Exam Practice
1. What does EPA stand for?
A. Environmental Protection Agency
B. Energy Protection Authority
C. Environmental Process Agency
D. Energy Policy Administration
Answer: A
EPA regulates environmental laws including refrigerants.
2. Which refrigerant damages the ozone layer the most?
A. HFCs
B. HCFCs
C. CFCs
D. Ammonia
Answer: C
CFCs contain chlorine which destroys ozone.
3. What is the ozone layer’s function?
A. Produce oxygen
B. Block UV radiation
C. Control temperature
D. Create clouds
Answer: B
Protects Earth from harmful ultraviolet rays.
,4. Which refrigerant has zero ozone depletion potential?
A. R-22
B. R-12
C. R-134a
D. R-11
Answer: C
HFCs like R-134a do not harm ozone.
5. What is ODP?
A. Ozone depletion potential
B. Oil distribution pressure
C. Oxygen density point
D. Output device pressure
Answer: A
Measures impact on ozone layer.
6. Global warming potential (GWP) measures:
A. Ozone damage
B. Heat trapping ability
C. Pressure level
D. Refrigerant flow
Answer: B
Indicates contribution to climate change.
7. Which refrigerant is being phased out due to ozone depletion?
A. R-134a
B. R-410A
C. R-22
D. CO₂
Answer: C
HCFC-22 is being eliminated globally.
,8. What must technicians have to handle refrigerants?
A. License
B. Certification
C. Permit
D. Registration
Answer: B
EPA certification is required.
9. Venting refrigerants into the atmosphere is:
A. Allowed
B. Illegal
C. Recommended
D. Optional
Answer: B
EPA strictly prohibits venting.
10. Recovery means:
A. Cleaning refrigerant
B. Removing refrigerant
C. Reusing refrigerant
D. Destroying refrigerant
Answer: B
Removing refrigerant from system.
11. Recycling refrigerant involves:
A. Filtering and drying
B. Destroying
C. Burning
D. Venting
Answer: A
Removes impurities for reuse.
12. Reclamation means:
A. Filtering
B. Restoring to new condition
, C. Removing
D. Disposing
Answer: B
Processed to meet virgin standards.
13. Which device removes refrigerant?
A. Compressor
B. Recovery machine
C. Condenser
D. Evaporator
Answer: B
Used to safely remove refrigerant.
14. When must leaks be repaired?
A. Always
B. Only if large
C. Never
D. Optional
Answer: A
EPA requires leak repair.
15. Which refrigerant operates at high pressure?
A. R-12
B. R-22
C. R-410A
D. R-11
Answer: C
R-410A systems run at higher pressures.
16. What is a recovery cylinder used for?
A. Storing refrigerant
B. Heating
C. Cooling
D. Compressing
EXAM 2026 200 PRACTICE
QUESTIONS WITH ANSWERS AND
RATIONALES | PASS ON FIRST TRY
EPA 608 Universal Exam Practice
1. What does EPA stand for?
A. Environmental Protection Agency
B. Energy Protection Authority
C. Environmental Process Agency
D. Energy Policy Administration
Answer: A
EPA regulates environmental laws including refrigerants.
2. Which refrigerant damages the ozone layer the most?
A. HFCs
B. HCFCs
C. CFCs
D. Ammonia
Answer: C
CFCs contain chlorine which destroys ozone.
3. What is the ozone layer’s function?
A. Produce oxygen
B. Block UV radiation
C. Control temperature
D. Create clouds
Answer: B
Protects Earth from harmful ultraviolet rays.
,4. Which refrigerant has zero ozone depletion potential?
A. R-22
B. R-12
C. R-134a
D. R-11
Answer: C
HFCs like R-134a do not harm ozone.
5. What is ODP?
A. Ozone depletion potential
B. Oil distribution pressure
C. Oxygen density point
D. Output device pressure
Answer: A
Measures impact on ozone layer.
6. Global warming potential (GWP) measures:
A. Ozone damage
B. Heat trapping ability
C. Pressure level
D. Refrigerant flow
Answer: B
Indicates contribution to climate change.
7. Which refrigerant is being phased out due to ozone depletion?
A. R-134a
B. R-410A
C. R-22
D. CO₂
Answer: C
HCFC-22 is being eliminated globally.
,8. What must technicians have to handle refrigerants?
A. License
B. Certification
C. Permit
D. Registration
Answer: B
EPA certification is required.
9. Venting refrigerants into the atmosphere is:
A. Allowed
B. Illegal
C. Recommended
D. Optional
Answer: B
EPA strictly prohibits venting.
10. Recovery means:
A. Cleaning refrigerant
B. Removing refrigerant
C. Reusing refrigerant
D. Destroying refrigerant
Answer: B
Removing refrigerant from system.
11. Recycling refrigerant involves:
A. Filtering and drying
B. Destroying
C. Burning
D. Venting
Answer: A
Removes impurities for reuse.
12. Reclamation means:
A. Filtering
B. Restoring to new condition
, C. Removing
D. Disposing
Answer: B
Processed to meet virgin standards.
13. Which device removes refrigerant?
A. Compressor
B. Recovery machine
C. Condenser
D. Evaporator
Answer: B
Used to safely remove refrigerant.
14. When must leaks be repaired?
A. Always
B. Only if large
C. Never
D. Optional
Answer: A
EPA requires leak repair.
15. Which refrigerant operates at high pressure?
A. R-12
B. R-22
C. R-410A
D. R-11
Answer: C
R-410A systems run at higher pressures.
16. What is a recovery cylinder used for?
A. Storing refrigerant
B. Heating
C. Cooling
D. Compressing
