Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 5 (Q.No. 23)
23.
The minimum percentage of chemical ingredient of cement is that of
Discussion:
12 comments Page 1 of 2.
Sam said:
1 decade ago
FeO is least 0.5-0.6%.
Vinay said:
1 decade ago
Ingredient percentage in cement:
Lime 60-65.
Silica 17-25.
Alumina 3-8.
Magnesia 1-3.
Iron oxide 0.5-6.
Calcium Sulphate 0.1-0.5.
Sulphur Trioxide 1-3.
Alkaline 0-1.
Lime 60-65.
Silica 17-25.
Alumina 3-8.
Magnesia 1-3.
Iron oxide 0.5-6.
Calcium Sulphate 0.1-0.5.
Sulphur Trioxide 1-3.
Alkaline 0-1.
Adnan said:
9 years ago
I agree, the given option A is the right answer.
Pushpak agarwal said:
8 years ago
The iron oxide is right.
It is given in SSC answer key.
It is given in SSC answer key.
Alok kumar said:
8 years ago
Iron oxide is right.
Bipin joshi said:
8 years ago
Iron oxide is right.
Ajak said:
8 years ago
Magnesium oxide (MgO) is right.
Vivek Thakur said:
8 years ago
Lime- 62%.
Silica- 22%.
Alumina- 5%.
Calcium Sulphate- 4%.
Iron Oxide- 3%.
Magnesia- 2%.
Sulphur- 1%.
Alkalies- 1%.
Silica- 22%.
Alumina- 5%.
Calcium Sulphate- 4%.
Iron Oxide- 3%.
Magnesia- 2%.
Sulphur- 1%.
Alkalies- 1%.
(2)
Sharmi said:
8 years ago
Magnesium oxide is correct. I agree with the given answer.
Amit Kumar said:
8 years ago
Magnesium oxide is correct I agree with this answer.
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