MCQOPTIONS
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MCQOPTIONS
| 1. |
Froth floatation is used for%! |
| A. | Washing fine coal dust (< 0.5 mm size) |
| B. | Washing lump coal (> 80 mm size) |
| C. | Removing ash from the coal based on difference in specific gravity of coal and ash |
| D. | All of the above |
| Answer» B. Washing lump coal (> 80 mm size) | |