North Carolina Building Contractor License Practice Exam

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Unless otherwise required, to what consistency should grout be mixed?

Water-like
Dough-like
Semi-solid
Slump between 8 and 11

The correct answer is: Slump between 8 and 11

The ideal consistency for mixing grout typically falls within a specific slump range, which is measured to ensure optimal flowability and workability. A slump between 8 and 11 indicates that the grout will possess the right balance of firmness and liquidity, making it suitable for various applications without being too runny or too thick. This consistency allows the grout to fill joints effectively while still being workable enough for proper application and adhesion in construction projects. Choosing a consistency that meets this slump range ensures proper curing and bonding, which is crucial for the structural integrity of the work. Grout that is too watery may lead to inadequate strength and poor adhesion, whereas grout that is too dry could crack or not fill the joints properly. Therefore, the emphasis on maintaining a slump within the 8 to 11 range aligns with best practices in masonry and tiling applications.