Exam (elaborations)
HVAC NATE Heat Pump- Exam 2023 Questions and Answers
- Module
- Institution
On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - ANSWER-6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - ANSWER-Prevent Oxidation The water that results from a defrost cyc...
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