Civil Engineering - Concrete Technology - Discussion

35.

Pick up the correct proportions of chemical ingredients of cement

[A].	Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3
[B].	Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3
[C].	Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3
[D].	Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3

Answer: Option A

Explanation:

No answer description available for this question.

Piklu Manna said: (Dec 21, 2016)
Please anyone discuss the explanation.

Gautam said: (Mar 23, 2017)
For cement: Lime : 63% Silica : 22% Other ingredients are 15%. (Alumina: 6%, Calcium: 5%, Iron oxide:4%). But different types of cement this other ingredients are different percentage.

Nitin said: (Apr 26, 2017)
Calcium (lime) oxide 60 - 67. Silicon dioxide 17 - 25. Alumina 3 - 8. Iron 0.5 - 6. Magnesium oxide 0.1 - 4.

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