Exam (elaborations)
HVAC, EPA 608 Certification Study Guide Comprehensive Questions and Answers 100% A+ Graded
- Course
- Institution
HVAC, EPA 608 Certification Study Guide Comprehensive Questions and Answers 100% A+ Graded Are there drop-in replacements for R-12 systems? Why or why not? - CORRECT ANSWER-No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is...
[Show more]