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Q: Which grade of cement is specially designed to lay Indian railways?
  • A. OPC-T 40 Special Grade Cement
  • B. High Strength Cement
  • C. IRS-T 40 Special Grade Cement
  • D. PPC–T 40 Special Grade Cement
Correct Answer: Option C - Characteristics of IRS-T 40 special grade cement– • It is very finely ground cement. • It has high C3S (Tricalcium silicate), which imparts early strength to the cement during setting. • It is designed to gain high early strength which was a requirement for the production of concrete sleepers for Indian railways.
C. Characteristics of IRS-T 40 special grade cement– • It is very finely ground cement. • It has high C3S (Tricalcium silicate), which imparts early strength to the cement during setting. • It is designed to gain high early strength which was a requirement for the production of concrete sleepers for Indian railways.

Explanations:

Characteristics of IRS-T 40 special grade cement– • It is very finely ground cement. • It has high C3S (Tricalcium silicate), which imparts early strength to the cement during setting. • It is designed to gain high early strength which was a requirement for the production of concrete sleepers for Indian railways.