UPSC Civil Service Exam Questions

Q1: Ultimate strength of cement is influenced by which one of the following ?

A Tricalcium silicate

B Dicalcium silicate

C Tricalcium aluminate

D Tetracalcium alumino-ferrite

ANS:B - Dicalcium silicate

Tricalcium silicate gives early strength.

Tricalcium aluminate gives initial strength.



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