Exam (elaborations)
NATE Heat Pump Exam Questions And Answers
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NATE Heat Pump Exam Questions And Answers R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed... - ANS 6-7 psi or 6°F The primary purpose of using flux when soldering copper or brass parts is to... - ANS Prevent oxidation The wat...
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