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Q: Cement that has _____is the most suitable for achieving higher ultimate strength in a given application.
  • A. a high C₃A content
  • B. a high C₃S content
  • C. very little gypsum
  • D. a high C₂S content
Correct Answer: Option D - Cement that has a high C₂S content is the most suitable for achieving higher ultimate strength in a given application. Tricalcium silicate (C₃S)– It is responsible for initial 7 days strength. Tricalcium aluminate (C₃A)– It is responsible for flash set. It is generate high heat. Tetracalcium alumino ferrite (C₄AF)– It is responsible for flash set but generates less heat.
D. Cement that has a high C₂S content is the most suitable for achieving higher ultimate strength in a given application. Tricalcium silicate (C₃S)– It is responsible for initial 7 days strength. Tricalcium aluminate (C₃A)– It is responsible for flash set. It is generate high heat. Tetracalcium alumino ferrite (C₄AF)– It is responsible for flash set but generates less heat.

Explanations:

Cement that has a high C₂S content is the most suitable for achieving higher ultimate strength in a given application. Tricalcium silicate (C₃S)– It is responsible for initial 7 days strength. Tricalcium aluminate (C₃A)– It is responsible for flash set. It is generate high heat. Tetracalcium alumino ferrite (C₄AF)– It is responsible for flash set but generates less heat.