Iowa Practice Test 2025 – Complete Questions & Study Guide

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Iowa Practice Test 2025 Question with
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The distance to the disconnect from an outdoor HVAC unit is how many feet?
A. 3'
B. 10'
C. 25'
D. 50'
D. 50'




When a horizontal duct grease hood (type I) is greater than 75', the slope shall be how much
per foot?
A. 1/4 in/ft
B. 1/2 in/ft
C. 3/4 in/ft
D. 1 in/ft
D. 1 in/ft




A duct furnace that conveys air out of the room in which it is installed shall have returned air
supplied from:
A. A duct from outside the room
B. Inside and outside of the building
C. Outside of the building
D. Open vents inside the room




Iowa Practice Test 2025 Question with Correct Answers
Iowa Practice
Iowa Practice
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2025 Question
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with Answers.pdf
Correct Answers.pdfExam Questions and Answers Grade A

,2026- Iowa Practice Test 2025 Question with Correct
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Iowa Practice
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A. A duct from outside the room




Single wall galvanized metal vent connector for low heat appliances shall be a minimum:
A. 24ga
B. 26ga
C. 28ga
D. 30ga
C. 28ga




A listed gas water heater with a draft hood and a single wall metal vent connector needs to
have how much clearance to combustible material?
A. 6"
B. 9"
C. 18"
D. 24"
A. 6"




After repairing gas piping the equipment should run:
A. Like new
B. Efficient
C. As it was listed
D. Resold
C. As it was listed




Iowa Practice Test 2025 Question with Correct Answers
Iowa Practice
Iowa Practice
Test 2025
Test
Question
2025 Question
with Correct
with Answers.pdf
Correct Answers.pdfExam Questions and Answers Grade A

,2026- Iowa Practice Test 2025 Question with Correct
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Iowa Practice
Test 2025
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A mechanical ventilation system in a dry cleaning room of a Type II dry cleaning plant shall
have_______cubic ft. of air exhaust for each square ft. of floor area
A. 5 cubic ft./min
B. 1 cubic ft./min
C. 10 cubic ft./min
D. 1 cubic ft./hr
B. 1 cubic ft./min




A 20 ampere breaker should be used to protect a maximum heating load of______amperes.
A. 12 amp
B. 20 amp
C. 10 amp
D. 16 amp
D. 16 amp




A 7 1/2 HP 230vac 3 phase hermetic compressor induction motor has a FLA of:
A. 18
B. 22
C. 40
D. 29
B. 22




Work shall not be done past the rough-in until:




Iowa Practice Test 2025 Question with Correct Answers
Iowa Practice
Iowa Practice
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2025 Question
with Correct
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Correct Answers.pdfExam Questions and Answers Grade A

, 2026- Iowa Practice Test 2025 Question with Correct
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Iowa Practice
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A. Requested
B. Required
C. Approved
D. Rejected
C. Approved




Refer to the picture: what is the total current flow of the circuit?
A. 5 amps
B. 8 amps
C. 6 amps
D. 7 amps
B. 8 amps




Where is an equipment room vent termination?
A. 10' from the property line and any operable building opening
B. Outdoors or into an attic or crawl space
C. On the roof
D. I do not know
A. 10' from the property line and any operable building opening




Subsoil duct shall be:
A. Class O
B. Class I
C. Class II




Iowa Practice Test 2025 Question with Correct Answers
Iowa Practice
Iowa Practice
Test 2025
Test
Question
2025 Question
with Correct
with Answers.pdf
Correct Answers.pdfExam Questions and Answers Grade A