Hvac Journeyman Exam Questions and Answers (Graded A+)
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Hvac Journeyman
Institution
Hvac Journeyman
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)...
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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