MCQOPTIONS
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MCQOPTIONS
| 1. |
The energy required per unit mass to grind limestone particles of very large size to 100 m is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 rn is |
| A. | 6.35 kWh/ton |
| B. | 9.0 kWh/ton |
| C. | 18 kWh/ton |
| D. | 25.4 kWh/ton |
| Answer» D. 25.4 kWh/ton | |