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Q: As per IS code 2386 (Part-IV)-1983 the maximum abrasion value of coarse aggregate in concrete for wearing surface is-
  • A. 25%
  • B. 30%
  • C. 40%
  • D. 50%
Correct Answer: Option B - As per IS code 2386 (part IV) - 1983 the maximum abrasion value of coarse aggregate in concrete for wearing surface is 30% and should not exceed 50% in any condition.
B. As per IS code 2386 (part IV) - 1983 the maximum abrasion value of coarse aggregate in concrete for wearing surface is 30% and should not exceed 50% in any condition.

Explanations:

As per IS code 2386 (part IV) - 1983 the maximum abrasion value of coarse aggregate in concrete for wearing surface is 30% and should not exceed 50% in any condition.