(a) long wall mining (b) bord and pillar mining (c) blasting gallery (d) widestall method
Category: Winning and Working
- Insufficient light
- Inhalation of iron oxide dust
- Inhalation of silica dust
- None of the above
- Cushion blasting
- Muffled blasting
- Pop shooting
- None of the above
- Benches
- Haul roads
- O.B. Dumps
- Workshop
- immediate care given to casualty injured or ill prior to arrival of hospital
- immediate care given only to unconscious casualty prior to arrival hospital
- immediate care given only to ill person prior to arrival to hospital
- None of the above
- Insert detonator into explosive cartridge
- To check the cracks in shot hole
- To clean the shot hole
- All above
- Improve performance
- Improve time of Blasting
- To control fly rocks and group vibrations
- None of the above
- 2.47 acres
- 3.00 acres
- 1.50 acres
- None of above
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