MCQOPTIONS
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| 1. |
To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between |
| A. | 1100° and 1200°C |
| B. | 1200° and 1300°C |
| C. | 1300° and 1400°C |
| D. | 1400° and 1500°C |
| Answer» E. | |