CSLB Concrete C-8 License 1 Practice Exam

Rebar sizes increase in increments of what amount?

1/8 inch 1/4 inch 3/8 inch 1/2 inch

Correct Answer:

1/8 inch

Explanation:

Rebar diameters follow a simple pattern: each standard size increases by 1/8 inch. So you move from 3/8" to 1/2" (which is 4/8"), then to 5/8" (5/8"), then to 3/4" (6/8"), and so on. The size designation corresponds to how many eighths of an inch the diameter is, meaning the increment between successive standard sizes is always 1/8 inch. Therefore, rebar sizes increase in increments of 1/8 inch.

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