Practice Test Geeks(CRC) Certified Residential Contractor Practice Test
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Building Codes & Standards Flashcards

7 cards from real CRC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Building Codes & Standards flashcards as text

  1. Under the IRC, what is the minimum net clear opening height required for a bedroom egress window?

    Answer: 24 inches

    IRC R310.2.1 requires the minimum net clear opening height for egress windows to be 24 inches.

  2. A residential contractor discovers that local amendments to the adopted IRC conflict with state law. Which takes precedence?

    Answer: State law takes precedence over local amendments when there is a conflict

    When local code amendments conflict with state law, state law prevails due to the hierarchy of legislative authority.

  3. What is the maximum spacing allowed for anchor bolts securing a wood sill plate to a concrete foundation under the IRC?

    Answer: 6 feet on center

    IRC R403.1.6 requires anchor bolts to be spaced no more than 6 feet on center along the sill plate.

  4. Under the IRC, what is the minimum required insulation R-value for an attic floor in Climate Zone 3?

    Answer: R-38

    Climate Zone 3 requires a minimum of R-38 for attic insulation under the IRC prescriptive energy requirements.

  5. Which of the following describes 'substantial compliance' in the context of building code enforcement?

    Answer: A building that meets the intent of the code even if minor deviations exist

    Substantial compliance means a building meets the overall intent and purpose of the code requirements even when minor deviations exist.

  6. Under the IRC, what is the maximum allowable unsupported height of a 2x4 stud wall in standard residential construction?

    Answer: 14 feet

    IRC Table R602.3.1 allows 2x4 studs at 16 inches on center to reach a maximum unsupported height of 14 feet for standard wall construction.

  7. A residential contractor is required to provide a setback of 5 feet from the side property line. Which document establishes this requirement?

    Answer: Local zoning ordinance

    Setback requirements are established by local zoning ordinances, not the IRC, and vary by municipality and zoning district.