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Q: Addition of Pozzolana to ordinary Portland cement increases
  • A. permeability
  • B. heat of hydration
  • C. shrinkage
  • D. bleeding
Correct Answer: Option C - Addition of Pozzolana to ordinary portland cement increases shrinkage but reduces the permeability of the concrete. Pozzolana itself does not have any cementing property.
C. Addition of Pozzolana to ordinary portland cement increases shrinkage but reduces the permeability of the concrete. Pozzolana itself does not have any cementing property.

Explanations:

Addition of Pozzolana to ordinary portland cement increases shrinkage but reduces the permeability of the concrete. Pozzolana itself does not have any cementing property.