SC Pre-Engineered Metal Buildings Practice Questions - South Carolina Pre-Engineered Metal Buildings Contractor Examination Exam

During hot-weather placement of a metal-building slab, the greatest early-age risk from rapid surface drying is:

Plastic-shrinkage cracking before the concrete has set An increase in specified 28-day strength A permanent increase in air content Elimination of the need for contraction joints

Correct Answer:

Plastic-shrinkage cracking before the concrete has set

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