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HVAC JOURNEYMAN EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS!!
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HVAC JOURNEYMAN EXAM 2024 QUESTIONS WITH 100% CORRECT ANSWERS!!
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Name: Score:127 Multiple choice questions
Term 1 of 127
Listed transition ducts f or clothes dryers shall not exceed_____ feet in length.
3
4
5
6.
Term 2 of 127
Refrigeration systems shall be operated and maintained as required by the _____ Code.(A) Building
(C) Uniform Mechanical(B) Fire (D) Life Safety.
31 D. 701.2.1
...
69 C 203.0
21 A 507.1.3
Term 3 of 127
concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below (C) 6
inches above(B) 3 inches above (D) 6 inches below.
88 C 405.0
...
78 D 1109.2
31 D. 701.2.1
,Term 4 of 127
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)
88 C 405.0
B. Shall be permitted to be of combustible type UMC Section 602.2 Ex (1)
B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3
Term 5 of 127
in diameter is _____.(A) 24 (C) 28(B) 26 (D) 30.
72 C 517.4.4
80 C 405.3
904.7(C)
...
Term 6 of 127
Solid fuel-burning appliances _____ be connected to a venting system that serves a gas- or oil-
burningappliance.(A) shall (B) may (C) shall not(D) with special approval may
C. leaks in a gas piping shall be located with a non corrosive leak detecting fluid. UMC
Section 1316.4.2
B. shall be installed in the main supply air duct served by equipment. UMC Section 609.0(5)
33 C 802.5.5.1
C. appliances shall not UMC Section 802.5.5.1
,Term 7 of 127
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.
B. shall be installed in the main supply air duct served by equipment. UMC Section 609.0(5)
C. 18 Minimum Gauge note: AWG is the abbreviation for "gauge size" Table 6-7(B)
B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3
C. leaks in a gas piping shall be located with a non corrosive leak detecting fluid. UMC
Section 1316.4.2
Term 8 of 127
Ducts for exhausting clothes dryers shall not be put together with _____.(A) draw bands (C) metal
screws(B) solder (D) snap-lock joints.
61 D 506.9.1
83 C 504.3.3
68 C 504.3.1
27 C 507.2.1
Definition 9 of 127
49 A 904.6(1)
...
least _____ the adjoining ground level.(A) 3 inches below (C) 6 inches above(B) 3 inches
above (D) 6 inches below.
acceptable to the Authority Having Jurisdiction is used.(A) a permanent outside ladder fixed
to the building for roof access(B) an inside means of access to the roof(C) permanent inside
or outside means of access to the roof(D) a portable ladder means of access to the roof
Exhaust outlets for ducts conveying explosive or flammable vapors, fumes, or dust shall
terminate outside
, Term 10 of 127
Vent connectors shall not be upsized more than _____ sizes greater than the listed appliance
categorized vent diameter, flue collar diameter, or draft hood outlet diameter.(A) three (C) two(B)
four (D) seven
...
81 B 701.9(C)
35 D 205.0
31 D. 701.2.1
Term 11 of 127
(A) not exceed 14 feet in length including two 90 degree elbows(B) not exceed 16 feet in length
including two 90 degree elbows(C) comply with the manufacturers' installation instructions(D) not
pass through fire-rated construction
81 B 701.9(C)
56 B 904.10.2
83 C 504.3.3
70 B 510.3.3
Term 12 of 127
A commercial clothes dryer connected to a moisture exhaust duct shall be installed in
accordance with the
96 D 803.1.9
78 D 1109.2
904.10.2
...
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