NV C-18 Masonry Practice Questions - Nevada C-18 Masonry Contractor Examination Exam

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A masonry firebox is lined with 2-inch firebrick. What is the minimum total thickness of the back and sidewalls, including the lining, under IBC 2018 Section 2111.6?

4 inches including the lining 10 inches plus a separate 2-inch lining 6 inches of hollow ungrouted CMU 8 inches of solid masonry, including the lining

Correct Answer:

8 inches of solid masonry, including the lining

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