Saved Bookmarks
| 1. |
What is the required minimum fineness for grade 53 OPC?(a) 370 m^2/kg(b) 370 cm^2/g(c) 580 m^2/kg(d) 580 cm^2/g |
|
Answer» Right option is (a) 370 m^2/kg The explanation is: The value is in accordance with the IS code 12269 for 53 grade OPC. Table 3 gives physical requirements and fineness is one of them. |
|