MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not categorised as a ''mechanical operation'' ? |
| A. | Humidification |
| B. | Size enlargement |
| C. | Filtration |
| D. | Agitation |
| Answer» B. Size enlargement | |
| 2. |
Feed size of ? 25 cms can be accepted by |
| A. | ball mill |
| B. | rod mill |
| C. | fluid energy mill |
| D. | jaw crusher |
| Answer» E. | |
| 3. |
The energy required per unit mass to grind limestone particles of very large size to 100 ?m is 17 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 | |