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Mining Engineering Mine Rules And Regulations Difficulty: Medium

As per DGMS stipulation on freshly exposed roof which of the following statement is true in the context of minimum damage due to blasting?

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More Mining Engineering Questions

UHV of 'C' grade coal in KCal/kg. What type of safety features are attached with LHD machine. The wires spiral round the core in the same direction as the threads of right hand screw called . . . . . . . . The type of supports which needs less man power than conventional supports. It is the measure of the amount of energy released by an explosive during blasting and ability to do work.