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Q: What is the function of fine aggregates?
  • A. It imparts greater volumetric stability to concrete.
  • B. It increases crushing strength of concrete.
  • C. It minimizes shrinking and cracking of concrete.
  • D. It makes solid and hard mass of concrete.
Correct Answer: Option C - Function of fine aggregate– 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3. By varying the proportion of sand concrete can be prepared economically for any required strength.
C. Function of fine aggregate– 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3. By varying the proportion of sand concrete can be prepared economically for any required strength.

Explanations:

Function of fine aggregate– 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3. By varying the proportion of sand concrete can be prepared economically for any required strength.