ACI Concrete Field Testing Technician - Grade I 2025 – 400 Free Practice Questions to Pass the Exam

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What must be done after completing the strike-off procedure before weighing the measure and sample?

Remove all water from the measure

Clean off any excess concrete

After completing the strike-off procedure, it's crucial to clean off any excess concrete from the measure before weighing it and the sample. This step ensures that the weight measurement reflects only the concrete that is intended for testing, providing an accurate representation of the sample. Any excess concrete outside of the measurement area would add weight that could lead to errors in calculating the density or volume of the concrete specimen, making the test results unreliable.

Cleaning ensures that the measure remains consistent with the standards set forth for accurate concrete testing, which is critical in field operations where precision is necessary for quality control and compliance with specifications. By ensuring that only the struck-off sample is weighed, the technician can uphold the integrity of the testing process and provide meaningful data for the concrete's properties.

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Stir the sample thoroughly

Place the measure in a temperature-controlled environment

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