Examen
NATE HEAT PUMP RETAIL READY WITH CORRECT ANSWERS
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R-22 vapor line diameters and lengths are typically specified for a: Vapor pressure drop that does not exceed 6 - 7 psi or 6°F. The primary purpose of using flux when soldering copper or brass parts is to: Prevent oxidation. The water that results from a defrost cycle of an air to ...
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