1
HVAC JOURNEYMAN ACTUAL 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. - correct-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. - correct-
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 - correct-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
, 2
Listed transition ducts f or clothes dryers shall not exceed_____ feet in length. A.3
B.4 C.5 D.6. - correct-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 - correct-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 - correct-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". - correct-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. - correct-answer -C.
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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" - correct-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 - correct-
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. - correct-answer -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 - correct-answer -31 D. 701.2.1
HVAC JOURNEYMAN ACTUAL 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. - correct-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. - correct-
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 - correct-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
, 2
Listed transition ducts f or clothes dryers shall not exceed_____ feet in length. A.3
B.4 C.5 D.6. - correct-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 - correct-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 - correct-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". - correct-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. - correct-answer -C.
, 3
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" - correct-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 - correct-
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. - correct-answer -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 - correct-answer -31 D. 701.2.1
