πŸ“Š Concrete Technology and Design
Q. The maximum amount of dust which may be permitted in aggregates is
  • (A) 5% of the total aggregates for low workability with a coarse grading
  • (B) 10% of the total aggregates for low workability with a fine grading
  • (C) 20% of the total aggregates for a mix having high workability with fine grading
  • (D) all the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all the above

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