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NATE heat pump exams with correct answers 2024
- Vak
- Instelling
R-22 vapor line diameters and lengths are typically specified for a vapor pressure drop that does not exceed - 6-7 psi or 6 degress 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 air h...
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