ACI Shotcrete Inspector Practice Questions - ACI Shotcrete Inspector Exam

According to ASTM C1140, what is the MINIMUM recommended size for a shotcrete test panel?

12 x 12 in. (305 x 305 mm) 18 x 18 in. (457 x 457 mm) 24 x 24 in. (610 x 610 mm) 36 x 36 in. (914 x 914 mm)

24 x 24 in. (610 x 610 mm)

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