HVAC JOURNEYMAN EXAM PREP QUESTIONS
AND SOLUTIONS 2026 GRADED A+
◉ When mechanical equipment is located on a flat roof that is 8 foot
above grade, how far from the roof edge must the equipment be located
before a guard rail is not needed? A. Less than 6' B. 9' C. 4' D. More
than 10'. Answer: D. More than 10'
◉ A room that measures 10 x 20 x 8 contains a 35,000 BTU
woodburning stove in a building classified as unusual tight construction,
what size combustion air openings will be required if they are installed
directly in a sidewall? A. 100 sq in B 17.5 sq in C. 11.6 sq in D. 8.7 sq
in. Answer: D. 8.7 sq in
◉ How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B. 120
BTUs C. 1200 BTUs D. 12,000 BTUs. Answer: D. 12000 BTU's
◉ Which refrigerant is not classified as a flammable refrigerant? A.
Class a B. class C C. Class 2 D. Class 1. Answer: D. class 1
◉ Grounding circuit conductors should be identified by a covering or
marking by one of the following colors. A.White B.Green C.Blue
D.Red. Answer: A.white
, ◉ What is the minimum distance to a property line that a supply air
intake can be located? A. 8 foot B. 10 foot C. 6 foot D. 5 foot. Answer:
B. 10 foot
◉ How many pounds per 1000 ft.³ of occupied space of our - 410 a
refrigerant can be in a direct system? A.0 B.11 C.6 D.10. Answer: D.10
◉ Which one of the following systems is required by code to be
periodically, tested per the manufacturers instructions, and as required
by the official. A fuel gas piping B. Venting systems C. Air duct systems
D. Refrigerant alarm systems. Answer: D. Refrigerant alarm systems
◉ A room contains a gas fired furnace with an input of 108,000 BTUs.
The room is 20 x 10 x 8, is the room classified as a confined space? A.
Yes B. No. Answer: A.yes
◉ What is the full load current rating of a 230 V, three phase, alternating
current motor rated at 7.5 hp? A.30.6 amps B.22 amps C.66 ohm's D.40
watts. Answer: B.22 amps
◉ The maximum flame spread and smoked development rating for duct
covering insulation and it assembly occupancy. A. 25, 50 B. 75, 450 C.
200, 450 or D450, 800. Answer: A.25,50
AND SOLUTIONS 2026 GRADED A+
◉ When mechanical equipment is located on a flat roof that is 8 foot
above grade, how far from the roof edge must the equipment be located
before a guard rail is not needed? A. Less than 6' B. 9' C. 4' D. More
than 10'. Answer: D. More than 10'
◉ A room that measures 10 x 20 x 8 contains a 35,000 BTU
woodburning stove in a building classified as unusual tight construction,
what size combustion air openings will be required if they are installed
directly in a sidewall? A. 100 sq in B 17.5 sq in C. 11.6 sq in D. 8.7 sq
in. Answer: D. 8.7 sq in
◉ How many BTUs are in 1 ton of refrigeration? A. 12 BTUs B. 120
BTUs C. 1200 BTUs D. 12,000 BTUs. Answer: D. 12000 BTU's
◉ Which refrigerant is not classified as a flammable refrigerant? A.
Class a B. class C C. Class 2 D. Class 1. Answer: D. class 1
◉ Grounding circuit conductors should be identified by a covering or
marking by one of the following colors. A.White B.Green C.Blue
D.Red. Answer: A.white
, ◉ What is the minimum distance to a property line that a supply air
intake can be located? A. 8 foot B. 10 foot C. 6 foot D. 5 foot. Answer:
B. 10 foot
◉ How many pounds per 1000 ft.³ of occupied space of our - 410 a
refrigerant can be in a direct system? A.0 B.11 C.6 D.10. Answer: D.10
◉ Which one of the following systems is required by code to be
periodically, tested per the manufacturers instructions, and as required
by the official. A fuel gas piping B. Venting systems C. Air duct systems
D. Refrigerant alarm systems. Answer: D. Refrigerant alarm systems
◉ A room contains a gas fired furnace with an input of 108,000 BTUs.
The room is 20 x 10 x 8, is the room classified as a confined space? A.
Yes B. No. Answer: A.yes
◉ What is the full load current rating of a 230 V, three phase, alternating
current motor rated at 7.5 hp? A.30.6 amps B.22 amps C.66 ohm's D.40
watts. Answer: B.22 amps
◉ The maximum flame spread and smoked development rating for duct
covering insulation and it assembly occupancy. A. 25, 50 B. 75, 450 C.
200, 450 or D450, 800. Answer: A.25,50