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.
Usman said:
5 years ago
Magnesium oxide is the right answer. agree with the given answer.
(1)
Jahangir badini said:
7 years ago
Lime (CaO) ---> 60 to 67%.
Silica (SiO2) ---> 17 to 25%.
Alumina (Al2O3) ---> 3 to 8%.
Iron oxide (Fe2O3) ---> 0.5 to 6%.
Magnesia (MgO) ---> 0.1 to 4%.
Silica (SiO2) ---> 17 to 25%.
Alumina (Al2O3) ---> 3 to 8%.
Iron oxide (Fe2O3) ---> 0.5 to 6%.
Magnesia (MgO) ---> 0.1 to 4%.
(2)
Amit Kumar said:
8 years ago
Magnesium oxide is correct I agree with this answer.
Sharmi said:
8 years ago
Magnesium oxide is correct. I agree with the given answer.
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)
Ajak said:
8 years ago
Magnesium oxide (MgO) is right.
Bipin joshi said:
8 years ago
Iron oxide is right.
Alok kumar said:
8 years ago
Iron oxide is right.
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.
Adnan said:
9 years ago
I agree, the given option A is the right answer.
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