General Contractor Practice Exam

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What percentage of a masonry wall must be filled for it to be considered solid?

The correct answer is: 75%

A masonry wall is considered solid when a significant percentage of its volume is filled with material. This filling provides structural integrity and resistance to forces acting on the wall. The standard for defining a solid masonry wall is typically around 75%, which means that a minimum of 75% of the wall's volume must be filled with mortar or other masonry material for it to be categorized as solid. This requirement ensures that the wall can effectively bear loads and meet safety standards. The discrepancy in percentages can stem from regional building codes or specific material standards, but 75% is widely accepted as the threshold for a wall to be deemed solid, providing the needed assurance of durability and performance in construction.