31. The overall over burden handling process can be divided into
32. The drill that can drill holes any angle and down to death of 18 - 45 m.
33. The dumped over burden is decoaled should not roll down at coal benches when assumes its . . . . . . . .
34. Ripper can be compared with
35. Two workers one driller and one helper can drill . . . . . . . . number of holes of . . . . . . . . deep.
36. Shovel can dig below ground upto . . . . . . . .
37. All the mining eases are to be granted for a maximum period of
38. Queuing at the shovel loading into dumper are due to
39. In loose or alluvium the bench height should
40. Horizontal ledges situated on the non production side of open pit servicing to accommodate the transportation roads.
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