Exam (elaborations)
HVAC JOURNEYMAN EXAM WITH 120 SINGLE CHOICE QUESTIONS WITH CORRECT ANSWERS ALREADY GRADED A+
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HVAC JOURNEYMAN EXAM WITH 120 SINGLE CHOICE QUESTIONS WITH CORRECT ANSWERS ALREADY GRADED A+ 1.Soldering on a metal portion of a hydronic piping system shall be performed a minimum of inches from any plastic to metal adapter in the same water line.: 18
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