Q161
Open questionWhich shovel gives best and cheaper maintanance.
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Mining Engineering · all questionsOpencast Mining
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Q162
Open questionThe out put of the shovel with 4.5 cu.m bucket is cu.m per year.
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Q163
Open questionThe minimum over burden production per day by a 10 m3 electric rope shovel with 85 tonne dumper.
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Q164
Open questionA resistance of 9 kg of per 1000 kgf is roughly equivalent to that offered by an upgradient of . . . . . . . .%
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Q165
Open questionPower source of locomotive in mines.
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Q166
Open questionIn which mining, have roof control or ventilation problems.
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Q167
Open questionEnvironmental management plan, does not contain this aspect.
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Q168
Open questionThe stripping ratio for manual quarrying is . . . . . . . .
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Q169
Open questionAnother name of open cast mining.
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Q170
Open questionIn the operation of high wall miner, in the event of methane level concentration exceeds . . . . . . . .% it will trip the electric supply feeding to the outter unit.
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Q171
Open questionWhich is the modification of dipper shovel with a long boom and used for casting fragmented rock or earth into a dump of over burden.
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Q172
Open questionThe height of bench for 20 m3 shovel is
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Q173
Open questionThe one of the strength test method is of detonator.
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Q174
Open questionDepth of holes in coal in manual quarry.
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Q175
Open questionThis system of mining in open cast is energy efficient.
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Q176
Open questionThe formation of benches the angle of slope should not exceed.
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Q177
Open questionIn which mining we achieve, higher safety and artificial lights needed at night time.
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Q178
Open questionDangers and hezards are compared to less in mining.
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Q179
Open questionThe diameter of drill holes ranges from by well hole drills.
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Q180
Open questionA dozer can dig . . . . . . . . meters below ground in earth or weathered rock.
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