Arizona ROC A-5 Excavating, Grading And Oil Surfacing Practice Questions - Arizona ROC A-5 Excavating, Grading And Oil Surfacing Examination Exam

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When conducting a field density test using the Sand Cone Method (ASTM D1556), what standardized material is calibrated and poured into the excavated test hole to determine its volume?

Clean, uniform Ottawa silica sand (passing No. 20 and retained on No. 30 sieve) Crushed limestone aggregate base Well-graded pea gravel Fine portland cement powder

Correct Answer:

Clean, uniform Ottawa silica sand (passing No. 20 and retained on No. 30 sieve)

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