search
arrow-left Previous
Next arrow-right
Q: In the process of hydration of OPC, to complete all chemical reaction, the water requirement (expressed as the percentage of cement) is .........
  • A. 5 to 8%
  • B. 8 to 16%
  • C. 20 to 25%
  • D. 35 to 45%
Correct Answer: Option C - About an average 23% of water by weight of cement is required for complete hydration of portland cement and 15% of water by weight of cement is required to fill the gel process.
C. About an average 23% of water by weight of cement is required for complete hydration of portland cement and 15% of water by weight of cement is required to fill the gel process.

Explanations:

About an average 23% of water by weight of cement is required for complete hydration of portland cement and 15% of water by weight of cement is required to fill the gel process.