NV C-5 Concrete Practice Questions - Nevada C-5 Concrete Contractor Examination Exam

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A truck is batched with 564 lb of cement and 250 lb of mixing water. The specified maximum w/c is 0.50 and no cementitious substitutes are used. Using 8.34 lb/gal, how much withheld water may be added at the site without exceeding w/c?

None — the batch is already over 0.50 About 1.5 gallons About 3.8 gallons About 8.0 gallons

Correct Answer:

About 3.8 gallons

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