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Q: The cement compound that reacts and sets immediately after addition of water is ...........
  • A. C₂S
  • B. C₃A
  • C. C₃S
  • D. C₄AF
Correct Answer: Option B - Bogue's components of cement– • C₃A Responsible for flash setting since it reacts immediate after addition of water. • C₄AF No engineering use. • C₃S Development of early strength, best cementing property. • C ₂S Responsible for progressive ultimate strength..
B. Bogue's components of cement– • C₃A Responsible for flash setting since it reacts immediate after addition of water. • C₄AF No engineering use. • C₃S Development of early strength, best cementing property. • C ₂S Responsible for progressive ultimate strength..

Explanations:

Bogue's components of cement– • C₃A Responsible for flash setting since it reacts immediate after addition of water. • C₄AF No engineering use. • C₃S Development of early strength, best cementing property. • C ₂S Responsible for progressive ultimate strength..