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Q: Which of the following cement is supposed to be the best cementing material and is well burnt cement?
  • A. Tricalcium silicate
  • B. Tetracalcium alumino ferrite
  • C. Dicalcium silicate
  • D. Tricalcium aluminate
Correct Answer: Option A - Tricalcium Silicate– It is supposed to be the best cementing material and is well burnt cement. It is about 25–50% (normally about 40%) of cement. It renders the clinker easier to grind, increases resistance to freezing and thawing, hydrates rapidly generating high heat and develops an early hardness and strength. The heat of hydration is 500 J/g.
A. Tricalcium Silicate– It is supposed to be the best cementing material and is well burnt cement. It is about 25–50% (normally about 40%) of cement. It renders the clinker easier to grind, increases resistance to freezing and thawing, hydrates rapidly generating high heat and develops an early hardness and strength. The heat of hydration is 500 J/g.

Explanations:

Tricalcium Silicate– It is supposed to be the best cementing material and is well burnt cement. It is about 25–50% (normally about 40%) of cement. It renders the clinker easier to grind, increases resistance to freezing and thawing, hydrates rapidly generating high heat and develops an early hardness and strength. The heat of hydration is 500 J/g.