Arizona ROC A-7 Piers & Foundations Practice Questions - Arizona ROC A-7 Piers And Foundations (Commercial) Examination Exam

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What is the typical unconfined angle of repose for dry, clean, loose sand when determining un-shored stock-pile slopes or un-supported excavation slopes?

45° to 50° 15° to 20° 55° to 60° 30° to 34°

Correct Answer:

30° to 34°

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