Hvac Journeyman ACTUAL EXAM QUESTIONS WITH COMPLETE SOLUTION GUIDE) (MULTIPLE CHOICES) (A+ GRADED 100% VERIFIED) LATEST UPDATE 2026

Hvac Journeyman ACTUAL EXAM
QUESTIONS WITH COMPLETE SOLUTION
GUIDE) (MULTIPLE CHOICES) (A+
GRADED 100% VERIFIED) LATEST
UPDATE 2026
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. -CORRECTANSWER 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. -CORRECTANSWER

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 -CORRECTANSWER 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. -CORRECTANSWER 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 -CORRECTANSWER 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 -CORRECTANSWER A 511.2



Unlisted vented gas fireplaces shall have a clearance at the sides and rear of not less

than _____ inches. Is the CORRECTANSWER: A. 10" B. 12" C 16" D. 18". -

CORRECTANSWER D. clearance of an unlisted vented gas fireplace at the sides and

the rear not less than 18". UMC Section 908.2(B)



Leaks in gas piping shall be located _____.(A) with a sniffer(B) with a presto-lite flame

(C) with a noncorrosive leak-detecting fluid (D) by increasing the air pressure during a

test until the leaks are heard as a whistle. -CORRECTANSWER C. leaks in a gas piping

shall be located with a non corrosive leak detecting fluid. UMC Section 1316.4.2

, Condensate drain piping shall have a slope of not less than _____ inch per foot. A 1⁄8"

B.¼" C.½" D. 1" -CORRECTANSWER A. Slope of not less than 1/8" per foot. UMC

Section 309.1



The minimum gauge or size steel wire used to support horizontal metal ducts 10 inches

or less in size is _____. A.14 AWG B.16 AWG C.18 AWG D.20 AWG -

CORRECTANSWER C. 18 Minimum Gauge note: AWG is the abbreviation for "gauge

size" Table 6-7(B)



When smoke detectors are required as part of an automatic shutoff system, they shall

be installed in the _____. A. return air duct ahead of any fresh-air inlet(B) main supply

air duct served by such equipment(C) fresh-air inlet(D) main return and the main supply

duct. -CORRECTANSWER B. shall be installed in the main supply air duct served by

equipment. UMC Section 609.0(5)



The largest fuel-burning appliance allowed in a room 100'W x 20'L x 8'H without

combustion air openingsis _____ Btu.(A) 80,000 (C) 140,000(B) 100,000 (D) 320,000 -

CORRECTANSWER 31 D. 701.2.1



Return air ducts that serve a dwelling unit shall be permitted to be of _____

construction? A.non-combustible B. combustible C. rated D. none of the above. -

CORRECTANSWER B. Shall be permitted to be of combustible type UMC Section

602.2 Ex (1)