Q241
Open questionScraper blade cuts the earth usually between 75 mm and 225 mm thick over a distance of nearly . . . . . . . .
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Mining Engineering · all questionsOpencast Mining
Opencast Mining
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Q242
Open questionMachine used for excavation and removal of soft unconsolidated strata, in soft ore or benches upto 90 m.
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Q243
Open questionThe bucket capacity of tracter shovel.
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Q244
Open questionHydraulic wagon drill can drill holes of diameter ranges from . . . . . . . .
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Q245
Open questionToppling up of benches is due to
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Q246
Open question24 m3 bucket capacity drag line run by . . . . . . . .
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Q247
Open questionMining and marketing of coal called . . . . . . . .
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Q248
Open questionThe toe problem may be arised in . . . . . . . .
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Q249
Open questionTo open a mine for deep seated, the cut use is
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Q250
Open questionHigh wall miner filled with a . . . . . . . . sensor which measures the % of . . . . . . . . and displays the same in monitor being kept in front of the operator at the surface.
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Q251
Open questionThe following factor is considered for calculation of cycle time of any excavating machine.
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Q252
Open questionTension crack of 5 m depth behind a rock slope crest is completely filled with water. Find the horizontal force exerted on a line of slope length by the water in tension crack.
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Q253
Open questionSpeed of crawler mounted machinery are . . . . . . . .
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Q254
Open questionThe ratio of weight per unit volume of rock mass in bench and weight per unit volume of loose rock mass after blasting called
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Q255
Open questionHow much time a drag line may take to complete a cycle for a single pass.
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Q256
Open questionType of drill rods employed for Jack hammer.
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Q257
Open questionNumber of persons required to make the drill holes with Jack hammer.
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Q258
Open questionCrawler mounted machinery works.
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Q259
Open questionTruck dispatch system is being introduced for the following.
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Q260
Open questionHorizontal ledges situated on the now productive side on open cast pit and serves to accommodate the transport roads called . . . . . . . .
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