Exam (elaborations)
Practice Exam: Universal R-410A Test 2023/2024.
- Module
- Institution
Practice Exam: Universal R-410A Test 2023/2024. Polyolester (POE) oils stored in plastic containers will: -Separate -Become more alkaline -Become acidic -Absorb moisture through the plastic - ANSWER Absorb moisture through the plastic R-407C has: -A foul odor -To be charged in the vap...
[Show more]