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Practice Quiz | (B1) Residential Building Inspector

This practice quiz is designed for those who are looking to take the 2018 or 2021 (B1) Residential Building Inspector Certification Exam administered through the International Code Council (ICC). Feel free to use this quiz as a way to assess where you’re currently at. This free quiz contains 10 questions from our premium B1 Residential Building Inspector Practice Exam.

If you find this quiz helpful, please checkout the link to our Practice Exam offered below.

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(B1) Residential Building Inspector Practice Quiz

1 / 10

Which of the following information is not required to be placed on a certificate of occupancy?

2 / 10

Each dwelling unit shall be provided with at least one egress door providing a clear width of not less than ____ inches.

3 / 10

A habitable room within a dwelling unit is required to have a floor area of no less than ____ square feet.

4 / 10

Where collar ties are used to connect opposing rafters, they shall not be spaced more than ____ feet on center.

5 / 10

At least one under-floor ventilation opening shall be located within ___ feet of an external building corner of an under-floor space.

6 / 10

What is the maximum allowable span for a 2-2 x 6 header within an interior bearing wall supporting one floor only having a building width of 12 feet?

7 / 10

Under-floor access to crawl spaces through the floor shall be a minimum sized opening of ______.

8 / 10

The ends of floor joists bearing on wood or metal shall not have less than ___ inches bearing.

9 / 10

One Family Dwellings and Two Family Dwellings that have separate means of egress and are no more than ____ stories in height above the grade plane are subject to and are within the scope of the International Residential Code (IRC).

10 / 10

Roof eave projections shall be limited to ____ inches for detached garages located within 2 feet from the lot line.



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If you found this quiz to be helpful, feel free to check out our premium practice exam at the link below.

Test your knowledge of the code with 2 full practice exams (60 questions each) based on the 2018 or 2021 Residential Building Inspector Exam.


B1 Exam


Includes 2 Practice Exams, 60 Questions Each


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