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Q: Which properties is enhanced by Tetra calcium Alumina ferrite in cement?
  • A. Flash setting
  • B. Delay in setting
  • C. Final setting
  • D. None of the above
Correct Answer: Option A - Tetra calcium alumina ferrite (C4AF) (8%)– • It has the poorest cementing value but it responsible for long term gain of strength of the cement. It is responsible for flash setting. • Produces little strength and is dark in colour usually very low percentage in the cement in white and off-white cement.
A. Tetra calcium alumina ferrite (C4AF) (8%)– • It has the poorest cementing value but it responsible for long term gain of strength of the cement. It is responsible for flash setting. • Produces little strength and is dark in colour usually very low percentage in the cement in white and off-white cement.

Explanations:

Tetra calcium alumina ferrite (C4AF) (8%)– • It has the poorest cementing value but it responsible for long term gain of strength of the cement. It is responsible for flash setting. • Produces little strength and is dark in colour usually very low percentage in the cement in white and off-white cement.