The limit for drivage of compartmental raising is . . . . . . . .
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Mining Engineering · all questionsMetal Mining
Metal Mining
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Main purpose of wide and stall method is . . . . . . . .
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Which of the following method employ horizontal opening.
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The loading in blast hole stoping by . . . . . . . .
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The support in top slicing is . . . . . . . .
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The method of stoping for high grade ore with walls of the ore body and back of the stope are so weak, which do not stand without support even for a week time is . . . . . . . .
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In this method the supporting need naturally supported.
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Upward drivage of shaft is carried out for a distance upto . . . . . . . . m in metal mine.
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The most dangerous form of mining for the miners is . . . . . . . .
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The pillar which is left for support of sides during extraction called . . . . . . . .
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The distance between the fixed alignment points of raise should be . . . . . . . .
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Crown pillar is at . . . . . . . .
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The core samples from ore and walls is tested low; we impliment the method of mining is . . . . . . . .
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A vertical method. Similar to slope and pillar mining in the supported class is known as . . . . . . . .
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If the stope has an inverted stepped appearance commonly called as . . . . . . . .
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If the stopping take place on one side of the rise winze connection called . . . . . . . .
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Vertical creater retreat method is a modified verson of . . . . . . . .
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The method employed, if the ore body is strong, moderately thick, flat dipping.
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A vertical or inclined opening used for transfering are:
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Q100
Open questionThe process of under water mining of sand, clay, tin and placer deposits of gold is known as . . . . . . . .
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