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

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According to ASTM C192/C192M, how is the method of consolidation (rodding vs vibration) selected when not specified by the project?

Always rod cylinders and vibrate beams By slump — rod if slump ≥ 25 mm (1 in.), vibrate if slump < 25 mm (1 in.) By aggregate size — vibrate if NMSA > 25 mm By cylinder size only

Correct Answer:

By slump — rod if slump ≥ 25 mm (1 in.), vibrate if slump < 25 mm (1 in.)

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