ACI SCC Testing Practice Questions - ACI Self-Consolidating Concrete Testing Technician Exam

When performing the slump flow test per ASTM C1611, the final spread is calculated as:

The average of two diameters measured approximately perpendicular to each other, to the nearest 1/2 in. The maximum diameter measured in any direction The diameter measured parallel to the longest axis of the spread The circumference of the spread divided by pi

Correct Answer:

The average of two diameters measured approximately perpendicular to each other, to the nearest 1/2 in.

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