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Building Materials

Q1:

Rapid hardening cement contains

A Tri-calcium silicate

B Tri-calcium aluminate

C Tetra-calcium alumino-ferrite

D Dicalcium silicate.

ANS:A - Tri-calcium silicate

RHC:

60% Tricalcium silicate (C3S),
15% Dicalcium silicate (C2S),
10% Tricalcium aluminate (C3A) and
8% Tetracalcium aluminoferrite of the total weight of cement.



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