AZ ROC C-38 Signs Practice Questions - Arizona ROC C-38 Signs Examination Exam

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When placing unpumped standard structural concrete into a sign post pier foundation, what is the typical acceptable slump range per ASTM C143 guidelines to ensure proper consolidation without excessive water?

1 to 2 inches 6 to 8 inches 9 to 10 inches 3 to 4 inches

Correct Answer:

3 to 4 inches

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