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

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Unless an alternate 26.5.3.2 method is used, ACI 318-14 requires concrete other than high-early-strength to be kept moist and above what temperature for at least how long after placement?

32°F for 24 hours 40°F for 3 days 50°F for 7 days 70°F for 28 days

Correct Answer:

50°F for 7 days

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