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| Q. |
Flights in a rotary dryer are provided to |
| A. | Lift and shower the solids thus exposing it thoroughly to the drying action of the gas |
| B. | Reduce the residence time of solid |
| C. | Increase the residence time of the solid |
| D. | None of these |
| Answer» A. Lift and shower the solids thus exposing it thoroughly to the drying action of the gas | |
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