Exam (elaborations)
NATE Heat Pump Questions & Answers 2023
- Course
- Institution
R-22 vapor line diameters and lengths are typically specified for a... - ANSWERVapor pressure drop that does not exceed a 6-7psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is... - ANSWERTo prevent oxidation The water that results from a defrost cycle...
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