Study Tip: The EPA 608 exam is closed book. Memorize: recovery is required before opening any refrigerant system. Venting refrigerant is illegal. Know the ODP and GWP values for R-22, R-410A, R-134a, R-32, and R-454B.
Question 1: ALL CFC's and HCFC's must be ................. before opening a system for service or maintenance.
- Recovered
- Recycled
- Reclaimed
- Disposed
Passed the EPA 608 universal exam on my first attempt. Used these core practice tests for about two weeks beforehand. The refrigerant handling and safety questions here are very close to what's on the actual Prometric exam. Worth every minute.