Question

Match List-1 (Compound) with List-2 (Proportion) in respect of ordinary Portland cement and select the correct answer using the codes given below the lists:
List-1
A. Tricalcium silicate
B. Dicalcium silicate
C. Tricalcium aluminate
D. Tetra calcium alumino ferrite

List-2
1. 25 to 30%
2. 50 to 60%
3. 6 to 8%
4. 8 to 12%

• A. A-2, B-3, C-4, D-1
• B. A-4, B-1, C-2, D-3
• C. A-2, B-1, C-4, D-3
• D. A-4, B-3, C-2, D-1

Answer 1

The correct option is C A-2, B-1, C-4, D-3

Compound	Proportion (wt%)	average
Tricalcium Silicate Dicalcium Silicate Tricalcium aluminate Tetracalcium alumino ferrite	30-50 20-45 8-12 6-10	40% 32% 10.57% 9%