ACI- Concrete Field-Testing Technician - Grade 1 questions and answers
ACI- Concrete Field-Testing Technician - Grade 1 questions and answers Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - B. False ASTM C172 -Para (4.1.2) - Start molding. specimens for strength tests within 15 min after fabricating the composite sample. Q2. The maximum allowable time between obtaining the first and last portions of the composite sample may not exceed 5 minutes.
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