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Q: Consider the following statements regarding aggregates: 1. Dry aggregates absorb water from the mixing water and thus affect the workability 2. Aggregates containing surface moisture contribute extra 3. The free moisture content in fine aggregate result in reduction of volume 4. The free moisture content in coarse aggregate result in bulking of volume
  • A. Statement 1 and 2 are correct
  • B. Statement 2 and 3 are correct
  • C. Statement 3 and 4 are correct
  • D. Statement 1 and 4 are correct
Correct Answer: Option A - → In the fine aggregate (e.g sand) free moisture results in the bulking of sand. i.e. volume increases. → Bulking is not seen in the coarser aggregate. Note–No option is correct.
A. → In the fine aggregate (e.g sand) free moisture results in the bulking of sand. i.e. volume increases. → Bulking is not seen in the coarser aggregate. Note–No option is correct.

Explanations:

→ In the fine aggregate (e.g sand) free moisture results in the bulking of sand. i.e. volume increases. → Bulking is not seen in the coarser aggregate. Note–No option is correct.