EPA 608 Certification 2026 Exam
Questions and Answers
A recovery cylinder must not be filled more than ___ % of it's capacity by weight?
- Correct answer-80%
A-1 Group Refrigerants only require what? - Correct answer-Oxygen Deprivation
Sensor
After completing the transfer of liquid refrigerant between a recovery unit and a
refrigeration system, you should guard against what? - Correct answer-Trapping
liquid refrigerant between the service valves.
Alkebenzene is used alone or as an additive for? - Correct answer-HCFC's (Will
also work with CFC's)
All "B" rated refrigerants require what? - Correct answer-"Refrigerant Specific"
Mechanical Room Sensor.
All cooling systems containing more than 50 lbs. of refrigerant must be repaired
when the annual leak rate exceeds___? - Correct answer-15%
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, All refrigerants are assumed to be a single chemical if they are numbered what? -
Correct answer-1-399 and 600 and above.
All refrigeration systems containing more than 50 lbs. of refrigerant must be
repaired when the annual leak rate exceeds___? - Correct answer-35%
Azeotrope's are numbered what? - Correct answer-500 to 599
Can Reclaimed refrigerant be resold? - Correct answer-Yes, but must meet the
standard set forth in ARI 700 before it can be resold.
Can Recycled refrigerant be resold? - Correct answer-It cannot be re-sold but it can
be re-used.
CFC's - Correct answer-ChloroFluoroCarbon's
Depletion of the ozone in the stratosphere is know to cause what 6 things? -
Correct answer-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
©COPYRIGHT 2025 ALL RIGHTS RESERVED 2
Questions and Answers
A recovery cylinder must not be filled more than ___ % of it's capacity by weight?
- Correct answer-80%
A-1 Group Refrigerants only require what? - Correct answer-Oxygen Deprivation
Sensor
After completing the transfer of liquid refrigerant between a recovery unit and a
refrigeration system, you should guard against what? - Correct answer-Trapping
liquid refrigerant between the service valves.
Alkebenzene is used alone or as an additive for? - Correct answer-HCFC's (Will
also work with CFC's)
All "B" rated refrigerants require what? - Correct answer-"Refrigerant Specific"
Mechanical Room Sensor.
All cooling systems containing more than 50 lbs. of refrigerant must be repaired
when the annual leak rate exceeds___? - Correct answer-15%
©COPYRIGHT 2025 ALL RIGHTS RESERVED 1
, All refrigerants are assumed to be a single chemical if they are numbered what? -
Correct answer-1-399 and 600 and above.
All refrigeration systems containing more than 50 lbs. of refrigerant must be
repaired when the annual leak rate exceeds___? - Correct answer-35%
Azeotrope's are numbered what? - Correct answer-500 to 599
Can Reclaimed refrigerant be resold? - Correct answer-Yes, but must meet the
standard set forth in ARI 700 before it can be resold.
Can Recycled refrigerant be resold? - Correct answer-It cannot be re-sold but it can
be re-used.
CFC's - Correct answer-ChloroFluoroCarbon's
Depletion of the ozone in the stratosphere is know to cause what 6 things? -
Correct answer-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
©COPYRIGHT 2025 ALL RIGHTS RESERVED 2
