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HVAC JOURNEYMAN EXAM 2025 CERTIFIED Q&A
(A) be removed (C) comply with the Fire Code(B) be elevated 4 feet (D) have
automatic controls - correct-answer-70 B 510.3.3
Exhaust outlets for ducts conveying explosive or flammable vapors, fumes, or dust
shall terminate outside - correct-answer-71 A 504.3.2
the building and not closer to any property line than _____ feet. - correct-answer-
72 C 517.4.4
(A) 6 (C) 20(C) 10 (D) 30 - correct-answer-73 C 508.4.1
Factory-made air ducts shall not be used for vertical risers serving more than
_____.(A) one story (C) three stories(B) two stories (D) occupancy - correct-
answer-74 B 509.2.4.3
The exhaust outlet for ducts serving commercial food heat-processing equipment
terminating above the - correct-answer-75 B 905.6
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roof shall have the exhaust flow directed up and away from the roof surface and a
minimum of _____ above the roof surface.(A) 40 inches (C) 18 feet(B) 3 feet (D) 2
feet - correct-answer-76 A 609.0 Ex. 2
Metal ducts shall be securely fastened in place at _____.(A) 6 foot intervals (C) 10
foot intervals(B) each change of direction (D) 3 foot intervals - correct-answer-77
C 1126.0
A confined space is a room or space having a volume less than _____ cubic feet
per 1,000 Btu/h of the - correct-answer-78 D 1109.2
aggregate input rating of all fuel-burning appliances installed in that space.(A) 20
(C) 100(B) 50 (D) 200 - correct-answer-79 A 701.3.1(1)
Commercial clothes dryers' exhaust ducts shall _____. - correct-answer-80 C 405.3
(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'
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installation instructions(D) not pass through fire-rated construction - correct-
answer-81 B 701.9(C)
Liquid adhesive coatings used on listed air filters shall be of a type that will
_____.(A) impede air flow (C) generate noise(B) clog easily (D) have a flash point
of 350°F or higher. - correct-answer-82 B 604.2
Ducts for exhausting clothes dryers shall not be put together with _____.(A) draw
bands (C) metal screws(B) solder (D) snap-lock joints. - correct-answer-83 C
504.3.3
A blower or fan used for the purpose of distributing supply air to a room, space, or
area is a(an) _____.(A) absorption system (C) air-handling unit(B) appliance (D)
portable cooling unit. - correct-answer-84 C 802.10.7(1)
Exhaust fans with ductwork connected to both sides shall have access for cleaning
and inspection within - correct-answer-85 B 802.10.8
_____ of each side of the fan.(A) 1 foot (C) 5 feet(B) 3 feet (D) 6 feet - correct-
answer-86 D 504.5
HVAC JOURNEYMAN EXAM 2025 CERTIFIED Q&A
(A) be removed (C) comply with the Fire Code(B) be elevated 4 feet (D) have
automatic controls - correct-answer-70 B 510.3.3
Exhaust outlets for ducts conveying explosive or flammable vapors, fumes, or dust
shall terminate outside - correct-answer-71 A 504.3.2
the building and not closer to any property line than _____ feet. - correct-answer-
72 C 517.4.4
(A) 6 (C) 20(C) 10 (D) 30 - correct-answer-73 C 508.4.1
Factory-made air ducts shall not be used for vertical risers serving more than
_____.(A) one story (C) three stories(B) two stories (D) occupancy - correct-
answer-74 B 509.2.4.3
The exhaust outlet for ducts serving commercial food heat-processing equipment
terminating above the - correct-answer-75 B 905.6
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roof shall have the exhaust flow directed up and away from the roof surface and a
minimum of _____ above the roof surface.(A) 40 inches (C) 18 feet(B) 3 feet (D) 2
feet - correct-answer-76 A 609.0 Ex. 2
Metal ducts shall be securely fastened in place at _____.(A) 6 foot intervals (C) 10
foot intervals(B) each change of direction (D) 3 foot intervals - correct-answer-77
C 1126.0
A confined space is a room or space having a volume less than _____ cubic feet
per 1,000 Btu/h of the - correct-answer-78 D 1109.2
aggregate input rating of all fuel-burning appliances installed in that space.(A) 20
(C) 100(B) 50 (D) 200 - correct-answer-79 A 701.3.1(1)
Commercial clothes dryers' exhaust ducts shall _____. - correct-answer-80 C 405.3
(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'
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installation instructions(D) not pass through fire-rated construction - correct-
answer-81 B 701.9(C)
Liquid adhesive coatings used on listed air filters shall be of a type that will
_____.(A) impede air flow (C) generate noise(B) clog easily (D) have a flash point
of 350°F or higher. - correct-answer-82 B 604.2
Ducts for exhausting clothes dryers shall not be put together with _____.(A) draw
bands (C) metal screws(B) solder (D) snap-lock joints. - correct-answer-83 C
504.3.3
A blower or fan used for the purpose of distributing supply air to a room, space, or
area is a(an) _____.(A) absorption system (C) air-handling unit(B) appliance (D)
portable cooling unit. - correct-answer-84 C 802.10.7(1)
Exhaust fans with ductwork connected to both sides shall have access for cleaning
and inspection within - correct-answer-85 B 802.10.8
_____ of each side of the fan.(A) 1 foot (C) 5 feet(B) 3 feet (D) 6 feet - correct-
answer-86 D 504.5
