Q221
Open questionThe stripping ratio for dragline is
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Q222
Open questionImportant haul roads the minimum factor of safety of the slope is . . . . . . . .
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Q223
Open questionThe hole flushed with compressed air at . . . . . . . . in hydraulic wagon drill.
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Q224
Open questionThe method involves mining and washing together of unconsolidated or semi consolidated rock wear of ground surface called . . . . . . . .
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Q225
Open questionMaximum travel speed of scraper (forward speed)
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Q226
Open questionJack hammer is this type of drill
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Q227
Open questionThese things are employed in the blast holes of small, size, blasted with gun powder, mineral loaded in to tubs hauled by locos.
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Q228
Open questionThe danger zone is o/c blasting is in metre.
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Q229
Open questionTotal meterage drilled by a wagon drill in shift of shovels in coal.
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Q230
Open questionThe minimum thickness of seam for adopting B.G.
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Q231
Open questionThe overall over burden handling process can be divided into
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Q232
Open questionThe drill that can drill holes any angle and down to death of 18 - 45 m.
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Q233
Open questionThe dumped over burden is decoaled should not roll down at coal benches when assumes its . . . . . . . .
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Q234
Open questionRipper can be compared with
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Q235
Open questionTwo workers one driller and one helper can drill . . . . . . . . number of holes of . . . . . . . . deep.
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Q236
Open questionShovel can dig below ground upto . . . . . . . .
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Q237
Open questionAll the mining eases are to be granted for a maximum period of
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Q238
Open questionQueuing at the shovel loading into dumper are due to
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Q239
Open questionIn loose or alluvium the bench height should
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Q240
Open questionHorizontal ledges situated on the non production side of open pit servicing to accommodate the transportation roads.
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