1. Stowing rate in hydraulic sand stowing is . . . . . . . .
2. Horizon mining recommended upto
3. Inclined slicing descending order is applicable if the seam inclination.
4. Stress created by an opening extend up to a distance, which is about . . . . . . . . times the height of the opening.
5. In B.G the drill holes are drilled by
6. The manner of opening the district depends upon
7. Average speed of sinking by drill shafts per month
8. Sand storage bunker in hydraulic stowing is situated to the . . . . . . . . side of the underground are to be stowed.
9. The holes treated with chemicals called
10. The panel is normally longer along strike and . . . . . . . . along dip-rise direction.
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