Exam (elaborations)
Hvac Journeyman Exam Questions with 100% Correct Answers
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Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. Correct Answer B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Ev...
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