HVAC JOURNEYMAN EXAM QUESTIONS AND ANSWERS

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. - B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below(D) 6 inches above. - B. Slab extending not less than 3" above the adjoining ground level. UMC Section 1106.2 Any part of a venting system installed at an angle greater than 45 degrees from the vertical is considered by code to be _____.(A) vertica(B) horizontal l (C) a flat vent (D) an offset vent - B. any part of the venting installed at an angle GREATER than 45 degrees is considered by this code to be Horizontal UMC Section 802.6.1.1 Listed transition ducts f or clothes dryers shall not exceed_____ feet in length. A.3 B.4 C.5 D.6. - D. Dryers shall not exceed 6 feet in length. UMC Section 504.3.2.1 Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid materials shall be constructed of _____.(A) sheet meta(B) polyvinyl chloride l (C) fiberglass (D) A and C apply - A. Shall Be Constructed of sheet metal. UMC Section. 5 0 6.1 Industrial product-conveying ducts and their fittings for abrasive and nonabrasive dust or solid materials shall be constructed of _____.(A) sheet metal ((B) polyvinyl chloride C) fiberglass (D) A and C apply - A 511.2 Unlisted vented gas fireplaces shall have a clearance at the sides and rear of not less than _____ inches. Is the Answer: A. 10" B. 12" C 16" D. 18". - D. clearance of an unlisted vented gas fireplace at the sides and the rear not less than 18". UMC Section 908.2(B)