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Q: Identify one of the fine aggregates?
  • A. Sand
  • B. Gravel
  • C. Broken bricks
  • D. Broken stone
Correct Answer: Option A - Coarse aggregate– • Aggregate size more than 4.75 mm • Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of remainder. Fine aggregate– • Aggregate size less than 4.75 mm • Fine aggregate generally consist of natural sand or crushed stone with most particles passing through a sieve.
A. Coarse aggregate– • Aggregate size more than 4.75 mm • Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of remainder. Fine aggregate– • Aggregate size less than 4.75 mm • Fine aggregate generally consist of natural sand or crushed stone with most particles passing through a sieve.

Explanations:

Coarse aggregate– • Aggregate size more than 4.75 mm • Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of remainder. Fine aggregate– • Aggregate size less than 4.75 mm • Fine aggregate generally consist of natural sand or crushed stone with most particles passing through a sieve.