engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Construction Materials and Management Cement
Which is the following is not true regarding constituent of ordinary Portland cement?
1
Lime is about 62 - 65 %
2
Silica is about 17 - 25 %
3
Alumina is about 1 - 3 %
4
Iron oxide is about 0.3 - 0.4 %