The backing installation layout covers a 72-foot wall run with blocking every 12 feet. How many intervals are counted along the run?
Correct Answer
C) 6 intervals.
Seventy-two feet divided by 12 feet equals 6 intervals.
Why This Is the Correct Answer
Seventy-two feet divided by 12 feet equals 6 intervals.
Why the Other Options Are Wrong
Option A: 5 intervals.
5 intervals. is below the supported result for framing layout calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 4.5 intervals.
4.5 intervals. is below the supported result for framing layout calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 5.25 intervals.
5.25 intervals. is below the supported result for framing layout calculation; it likely omits allowance, conversion, coverage, or final round-up.
Memory Technique
Checking Rough takeoff: count the condition before counting the package.
Reference Hint
Study anchor (closed-book): memorize Framing layout calculation from California Residential Code, California Code of Regulations Title 24. / Title 24 California Residential Code framing layout concepts; know the rule or calculation trigger without relying on exam-room lookup.
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