Practice Test Geeks(CFB) Certified Field Builder Practice Test
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Building Codes & Standards Flashcards

7 cards from real CFB 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. The 'R-value' of insulation in building codes refers to:

    Answer: Thermal resistance to heat flow

    R-value measures a material's thermal resistance—its ability to resist the flow of heat—with higher values indicating better insulation performance.

  2. Under the Americans with Disabilities Act (ADA) and ICC A117.1, what is the maximum slope for an accessible ramp?

    Answer: 1:12

    ADA and ICC A117.1 limit accessible ramp slopes to a maximum of 1:12 (one inch of rise per twelve inches of horizontal run).

  3. Which code provision requires smoke alarms to be interconnected in newly constructed dwellings?

    Answer: IRC R314.4

    IRC Section R314.4 requires that smoke alarms in new dwellings be interconnected so that when one sounds, all alarms in the dwelling sound.

  4. What is the minimum width required for a residential means of egress door under the IRC?

    Answer: 36 inches

    The IRC requires egress doors to have a minimum clear width of 32 inches, which requires a 34- or 36-inch door depending on hardware, but the primary egress door from a dwelling must be 36 inches minimum.

  5. In which situation would a field builder apply the 'prescriptive path' rather than the 'performance path' for code compliance?

    Answer: When following standard framing tables from the IRC without engineering calculations

    The prescriptive path uses pre-approved tables and methods from the code (like IRC framing tables) without requiring engineering calculations.

  6. Which organization publishes the National Electrical Code (NEC)?

    Answer: NFPA

    The National Electrical Code (NFPA 70) is published by the National Fire Protection Association (NFPA) and is updated on a three-year cycle.

  7. A field builder installs floor joists with a notch cut at mid-span. This violates which principle?

    Answer: Mid-span notching of joists is prohibited by IRC Section R502.8

    IRC Section R502.8 prohibits notching sawn lumber joists in the middle third of the span, where bending stress is highest.