Exam (elaborations)
NATE HEAT PUMP QUESTIONS WITH COMPLETE VERIFIED ANSWERS
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NATE HEAT PUMP QUESTIONS WITH COMPLETE VERIFIED ANSWERS R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed - ANSWER-6-7 psi or 6 degrees F The primary purpose of using flux when soldering copper or brass parts is to prevent - ANSWER-Oxid...
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