SC Concrete Paving Practice Questions - South Carolina Concrete Paving Contractor Examination Exam

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A ready-mix driver asks to add 15 gallons of water at the paver because the mix looks stiff. The batch already meets the approved slump and w/cm. What should the contractor do?

Add the water; slump always may be raised in the field Refuse unauthorized water; extra water raises w/cm and lowers strength and durability Add the water and then double the curing compound rate Add cement by the shovelful to offset the water

Correct Answer:

Refuse unauthorized water; extra water raises w/cm and lowers strength and durability

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