MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the required minimum fineness for grade 53 OPC? |
| A. | 370 m<sup>2</sup>/kg |
| B. | 370 cm<sup>2</sup>/g |
| C. | 580 m<sup>2</sup>/kg |
| D. | 580 cm<sup>2</sup>/g |
| Answer» B. 370 cm<sup>2</sup>/g | |