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More Mining Engineering Questions
It is the average candle of power of lamp in all directions in horizontal plane passing through the centre of source, obtained by rotating lamp in vertical axis.
In this method the blast holes drilled in horizontal direction.
Total number of injuries in an opencast coal mine employing 800 persons is 16 in a year. As per DGMS norms, the injury rate per 1000 persons employed is
The accuracy of precise levelling for subsidence measurement is . . . . . . . .
In this system needs two-parallel tracks side by side, one for loads other for empties . . . . . . . .