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Hvac Journeyman Exam Questions and Answers (Graded A+)
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Hvac Journeyman Exam Questions and Answers (Graded A+)Hvac Journeyman Exam Questions and Answers (Graded A+)Hvac Journeyman Exam Questions and Answers (Graded A+) Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D)...

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  • October 16, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • hvac journeyman exam questions and answers graded
  • hvac journeyman exam questions and answers stuvia
  • defects on gas piping or fittings shall be

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Hvac Journeyman Exam Questions

and Answers (Graded A+)


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. - ANSWER-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. -

ANSWER-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 - ANSWER-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. - ANSWER-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 - ANSWER-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 - ANSWER-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". -

ANSWER-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. - ANSWER-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" - ANSWER-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 -

ANSWER-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. - ANSWER-B. shall be installed in the

main supply air duct served by equipment. UMC Section 609.0(5)

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