What is the maximum nominal size of the aggregate required for aggregates to be graded moist?

• A. 1/4 in
• B. 1/2 in
• C. 3/4 in
• D. 1 in

Answer: (B)

The maximum nominal size of the aggregate required for aggregates to be graded moist is 1/2 inch. This size allows for proper moisture retention and ensures that the grading process accurately reflects the aggregate's ability to hold water, which is crucial in various applications such as concrete mixing and pavement construction.

Larger aggregate sizes, such as 3/4 inch or 1 inch, may not provide the same level of moisture retention and could lead to uneven grading or variations in the final product. The 1/4 inch size, while capable of being graded moist, does not represent the maximum nominal size for this grading category. Therefore, specifying 1/2 inch helps maintain consistency in performance characteristics for moist aggregates in construction and engineering projects.