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ACI GRADE 1 FIELD TESTING CERTIFICATION PRACTICE TEST
6. The outside of the density bucket should be cleaned before weighing. (T or F) 7. Concrete with a slump less than 1 inch should be rodded 25 times per layer. (T or F) 8. According to C138, concretes with slumps of 1-3 inches may be compacted with the vibrator or the rod. (T or F) 9. The unit weight bucket must be calibrated at least once a month.
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