CBO BC Training Quiz 24

231. Rough framed opening for attic access shall not be less than?

20" X 30” 22” X 30” 20” X 32” 22” X 22"

232. A roof recover shall be permitted only?

If the previous roof layer is removed Where existing roof has only one layer Where existing roof has no more than two layers Where existing roof has no signs of deterioration

233. No combustible material is permitted in the front of a fireplace by?

4" 6” 8" 10"

234. Chimneys shall extend not less than ____ inches higher than any portion of the building within 10’.

12" 24” 20" 32"

235. Chimneys shall extend not less than ___ feet above the highest point where the chimney passes through the roof.

3’ 2' 4' 30"

236. An opening or door for accessing an appliance shall be not less than?

24” 36" 28" 30"

237. Clothes dryer exhaust ducts shall terminate?

Outside the building Any location besides the interior of the house Crawl space, attic or outside of the building Attic

238. A clothes dryer exhaust duct shall not terminate nearer than _____ ft from any openings?

3’ 2' 5' 18"

239. The maximum length of a clothes dryer exhaust duct is?

35’ 25' 15' 5'

240. What is prohibited within under-floor plenums?

Wiring Plumbing waste cleanouts Plumbing Insulation

CBO BC Training IRC Quiz 24

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