EPA 608 ESCO CORE ONLINE
PRACTICE QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED
2025
How much can someone be fined per day for knowingly releasing a regulated
refrigerant in violation of the Clean Air Act?
✔✔ $44,539 per day, per violation
What is the proper disposal method for a disposable refrigerant cylinder?
✔✔ Recover any remaining refrigerant, render the cylinder unusable, then
recycle the metal
How many ozone molecules can a single chlorine atom destroy?
✔✔ Up to 100,000 molecules
What does it mean to recycle refrigerant?
✔✔ To clean refrigerant for reuse by removing oil and moisture using filter
driers, without meeting virgin product standards
What does the compressor do in a refrigeration system?
✔✔ Converts low-pressure vapor into high-pressure vapor
When should the low-side test pressure listed on a unit’s data plate be used?
✔✔ When performing a leak test to ensure safe pressure levels
Before shipping used refrigerant cylinders, what standards must the cylinder
meet?
✔✔ U.S. Department of Transportation (DOT) standards
Which refrigerants are incompatible with silicone elastomers used in seals and
gaskets?
✔✔ HFOs (Hydrofluoroolefins)
PRACTICE QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 100%
CORRECT RATED A+ NEWLY UPDATED
2025
How much can someone be fined per day for knowingly releasing a regulated
refrigerant in violation of the Clean Air Act?
✔✔ $44,539 per day, per violation
What is the proper disposal method for a disposable refrigerant cylinder?
✔✔ Recover any remaining refrigerant, render the cylinder unusable, then
recycle the metal
How many ozone molecules can a single chlorine atom destroy?
✔✔ Up to 100,000 molecules
What does it mean to recycle refrigerant?
✔✔ To clean refrigerant for reuse by removing oil and moisture using filter
driers, without meeting virgin product standards
What does the compressor do in a refrigeration system?
✔✔ Converts low-pressure vapor into high-pressure vapor
When should the low-side test pressure listed on a unit’s data plate be used?
✔✔ When performing a leak test to ensure safe pressure levels
Before shipping used refrigerant cylinders, what standards must the cylinder
meet?
✔✔ U.S. Department of Transportation (DOT) standards
Which refrigerants are incompatible with silicone elastomers used in seals and
gaskets?
✔✔ HFOs (Hydrofluoroolefins)
