ACI CLTT-2 Practice Questions - ACI Concrete Laboratory Testing Technician - Level 2 Exam

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Per ASTM C192/C192M, what temperature is required for the moist room or water tank used for final curing of strength-test specimens?

18.0 ± 2.0 °C (64.4 ± 3.6 °F) 21.0 ± 2.0 °C (70 ± 3.6 °F) 23.0 ± 2.0 °C (73.5 ± 3.5 °F) 27.0 ± 2.0 °C (80.6 ± 3.6 °F)

Correct Answer:

23.0 ± 2.0 °C (73.5 ± 3.5 °F)

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