Free ICC B1 Practice Test — 2024 IRC

2024 IRC · B1 Residential Building Inspector

Eight Free ICC B1 Practice Questions

Practice locating residential building requirements in the 2024 IRC. Use your code book if you have it—the goal is to find and verify each answer efficiently, not simply to memorize a number.

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  • Code references included
1. Under the 2024 IRC, how far below the undisturbed ground surface must an exterior footing be placed at minimum, before considering additional frost-protection requirements?
2. What are the minimum width and thickness of a prescriptive concrete footing when the applicable footing tables do not require larger dimensions?
3. What is the minimum roof slope on which asphalt shingles are permitted?
4. A shingle roof has a 3:12 slope. What additional underlayment treatment is required by the general asphalt-shingle slope provision?
5. When is a guard generally required along an open-sided residential walking surface?
6. What is the maximum standard riser height for a residential stairway?
7. What is the minimum net clear opening for a standard emergency escape and rescue opening that is not a qualifying grade-floor opening?
8. Which opening is prohibited between a private garage and the dwelling unit?

Important: These are original educational questions, not actual ICC examination questions. This free quiz is based on the 2024 International Residential Code and is not a substitute for the official code, exam catalog or approved reference list. Confirm current requirements with the examination provider.

Keystone Inspector Prep is an independent educational resource and is not affiliated with, sponsored by, approved by or endorsed by the International Code Council.

How to Use This Free Practice Test

  • What B1 covers

    Common study areas include administration, building planning, foundations, floors, walls, roof construction and public-safety provisions.

  • Practice lookup

    Identify the central code term, use the index, follow the reference and read the complete rule—including exceptions.

  • Review every answer

    Look up questions you miss and questions you answered by guessing. Record the search path so you can repeat it faster.

Free B1 test FAQ

Frequently Asked Questions

Are these real ICC exam questions?

No. These are independently created educational questions. They are not actual, confidential or recalled ICC examination questions.

Can I take the quiz without an account?

Yes. No account or payment is required, and your result appears immediately.

Which code edition does this quiz use?

The questions and references are based on the 2024 International Residential Code. Confirm the edition assigned to your registered exam before studying.

Does the quiz include the code book?

No. The official code book and all other approved references must be obtained separately.

Does passing this quiz mean I am ready for the exam?

Not by itself. Eight questions cannot represent the full exam outline. Use the result to identify lookup habits and topics that need more practice.