CRC Study Guide 2026
Everything you need to pass the CRC exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CRC Exam Format at a Glance
📚 CRC Topics to Study (69)
✍️ Sample CRC Questions & Answers
1. A contractor notices that OSB roof sheathing has 'edge clips' (H-clips) specified in the plans. What is their primary purpose?
H-clips (edge clips) support unsupported panel edges between rafters, preventing differential deflection and maintaining the required gap between panels.
2. Which OSHA record-keeping form is used to log and summarize all recordable work-related injuries and illnesses for a calendar year?
OSHA Form 300 is the log used throughout the year to record each work-related injury and illness, while Form 300A is the annual summary posted for employees.
3. What are zoning laws used for?
Zoning laws are local ordinances that regulate how land can be used within specific areas or zones. Their purpose is to ensure that structures are built according to comprehensive land-use plans, promoting orderly development and preventing incompatible uses from being located next to each other. These laws dictate aspects like building height, setbacks, density, and permitted types of construction.
4. What is the primary purpose of a baseline schedule in residential construction?
The baseline schedule is the approved original plan used to measure project performance and identify variances.
5. Why is it necessary to follow environmental regulations during construction?
Following environmental regulations during construction is necessary to ensure that the project is environmentally responsible and sustainable. These regulations aim to protect natural resources, minimize pollution, manage waste, and preserve biodiversity. Adherence helps avoid legal penalties, enhances public perception, and contributes to the long-term ecological health of the area.
6. Under the IRC, what is the minimum tread depth (run) required for residential stairs?
The IRC requires a minimum tread depth of 10 inches measured horizontally from nosing to nosing for residential stairs.