Hvac Journeyman Exam
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1. Defects on gas piping or fittings shall be _____.(A) B. Fitting shall be replaced
repaired(B) replaced or repaired and retested(C) re- or repaired and retested.
paired by a certified welder(D) ignored, as the oper- UMC Section 1316.4.3
ating pressure is much less than the air test.
2. Every absorption refrigerating system supported B. Slab extending not less
from the ground shall rest on a concrete slab extend- than 3" above the adjoining
ing not less than _____ the adjoining ground level.(A) 3 ground level. UMC Section
inches below(B) 3 inches above (C) 6 inches below(D) 1106.2
6 inches above.
3. Any part of a venting system installed at an angle B. any part of the vent-
greater than 45 degrees from the vertical is consid- ing installed at an angle
ered by code to be _____.(A) vertica(B) horizontal l (C) GREATER than 45 degrees
a flat vent (D) an offset vent is considered by this code
to be Horizontal UMC Sec-
tion 802.6.1.1
4. Listed transition ducts f or clothes dryers shall not D. Dryers shall not exceed 6
exceed_____ feet in length. A.3 B.4 C.5 D.6. feet in length. UMC Section
504.3.2.1
5. Industrial product-conveying ducts and their fittings A. Shall Be Constructed of
for abrasive and nonabrasive dust or solid materi- sheet metal. UMC Section.
als shall be constructed of _____.(A) sheet meta(B) 5 0 6.1
polyvinyl chloride l (C) fiberglass (D) A and C apply
6. Industrial product-conveying ducts and their fittings A 511.2
for abrasive and nonabrasive dust or solid materi-
als shall be constructed of _____.(A) sheet metal ((B)
polyvinyl chloride C) fiberglass (D) A and C apply
7.
, Hvac Journeyman Exam
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Unlisted vented gas fireplaces shall have a clearance D. clearance of an unlist-
at the sides and rear of not less than _____ inches. Is ed vented gas fireplace at
the Answer: A. 10" B. 12" C 16" D. 18". the sides and the rear not
less than 18". UMC Section
908.2(B)
8. Leaks in gas piping shall be located _____.(A) with a C. leaks in a gas piping shall
sniffer(B) with a presto-lite flame (C) with a noncor- be located with a non cor-
rosive leak-detecting fluid (D) by increasing the air rosive leak detecting fluid.
pressure during a test until the leaks are heard as a UMC Section 1316.4.2
whistle.
9. Condensate drain piping shall have a slope of not less A. Slope of not less than
than _____ inch per foot. A 1⁄8" B.¼" C.½" D. 1" 1/8" per foot. UMC Section
309.1
10. The minimum gauge or size steel wire used to sup- C. 18 Minimum Gauge
port horizontal metal ducts 10 inches or less in size is note: AWG is the abbrevia-
_____. A.14 AWG B.16 AWG C.18 AWG D.20 AWG tion for "gauge size" Table
6-7(B)
11. When smoke detectors are required as part of an au- B. shall be installed in the
tomatic shutoff system, they shall be installed in the main supply air duct served
_____. A. return air duct ahead of any fresh-air inlet(B) by equipment. UMC Sec-
main supply air duct served by such equipment(C) tion 609.0(5)
fresh-air inlet(D) main return and the main supply
duct.
12. The largest fuel-burning appliance allowed in a room 31 D. 701.2.1
100'W x 20'L x 8'H without combustion air open-
ingsis _____ Btu.(A) 80,000 (C) 140,000(B) 100,000 (D)
320,000
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1. Defects on gas piping or fittings shall be _____.(A) B. Fitting shall be replaced
repaired(B) replaced or repaired and retested(C) re- or repaired and retested.
paired by a certified welder(D) ignored, as the oper- UMC Section 1316.4.3
ating pressure is much less than the air test.
2. Every absorption refrigerating system supported B. Slab extending not less
from the ground shall rest on a concrete slab extend- than 3" above the adjoining
ing not less than _____ the adjoining ground level.(A) 3 ground level. UMC Section
inches below(B) 3 inches above (C) 6 inches below(D) 1106.2
6 inches above.
3. Any part of a venting system installed at an angle B. any part of the vent-
greater than 45 degrees from the vertical is consid- ing installed at an angle
ered by code to be _____.(A) vertica(B) horizontal l (C) GREATER than 45 degrees
a flat vent (D) an offset vent is considered by this code
to be Horizontal UMC Sec-
tion 802.6.1.1
4. Listed transition ducts f or clothes dryers shall not D. Dryers shall not exceed 6
exceed_____ feet in length. A.3 B.4 C.5 D.6. feet in length. UMC Section
504.3.2.1
5. Industrial product-conveying ducts and their fittings A. Shall Be Constructed of
for abrasive and nonabrasive dust or solid materi- sheet metal. UMC Section.
als shall be constructed of _____.(A) sheet meta(B) 5 0 6.1
polyvinyl chloride l (C) fiberglass (D) A and C apply
6. Industrial product-conveying ducts and their fittings A 511.2
for abrasive and nonabrasive dust or solid materi-
als shall be constructed of _____.(A) sheet metal ((B)
polyvinyl chloride C) fiberglass (D) A and C apply
7.
, Hvac Journeyman Exam
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Unlisted vented gas fireplaces shall have a clearance D. clearance of an unlist-
at the sides and rear of not less than _____ inches. Is ed vented gas fireplace at
the Answer: A. 10" B. 12" C 16" D. 18". the sides and the rear not
less than 18". UMC Section
908.2(B)
8. Leaks in gas piping shall be located _____.(A) with a C. leaks in a gas piping shall
sniffer(B) with a presto-lite flame (C) with a noncor- be located with a non cor-
rosive leak-detecting fluid (D) by increasing the air rosive leak detecting fluid.
pressure during a test until the leaks are heard as a UMC Section 1316.4.2
whistle.
9. Condensate drain piping shall have a slope of not less A. Slope of not less than
than _____ inch per foot. A 1⁄8" B.¼" C.½" D. 1" 1/8" per foot. UMC Section
309.1
10. The minimum gauge or size steel wire used to sup- C. 18 Minimum Gauge
port horizontal metal ducts 10 inches or less in size is note: AWG is the abbrevia-
_____. A.14 AWG B.16 AWG C.18 AWG D.20 AWG tion for "gauge size" Table
6-7(B)
11. When smoke detectors are required as part of an au- B. shall be installed in the
tomatic shutoff system, they shall be installed in the main supply air duct served
_____. A. return air duct ahead of any fresh-air inlet(B) by equipment. UMC Sec-
main supply air duct served by such equipment(C) tion 609.0(5)
fresh-air inlet(D) main return and the main supply
duct.
12. The largest fuel-burning appliance allowed in a room 31 D. 701.2.1
100'W x 20'L x 8'H without combustion air open-
ingsis _____ Btu.(A) 80,000 (C) 140,000(B) 100,000 (D)
320,000
