AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

Compressive strength test cylinders for acceptance are typically:

Made from the first water added at the plant only Cast from the same batch of concrete being placed, cured under standard conditions, and tested at specified ages (often 7 and 28 days) Chiseled from the structure after 1 hour Optional when the slump is within limits

Correct Answer:

Cast from the same batch of concrete being placed, cured under standard conditions, and tested at specified ages (often 7 and 28 days)

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