Mining Engineering > GATE 2025 > Underground Mining
In a bord and pillar panel, the following data are obtained:
Number of blasting rounds per shift: 8
Face dimension (m×m): 4.2×2.5
Average pull (m): 1.2
Specific gravity of coal: 1.4
Manpower per shift: 100
The OMS (output per manshift) of the panel, in tonne, is ______ (rounded off to 2 decimal places)
Number of blasting rounds per shift: 8
Face dimension (m×m): 4.2×2.5
Average pull (m): 1.2
Specific gravity of coal: 1.4
Manpower per shift: 100
The OMS (output per manshift) of the panel, in tonne, is ______ (rounded off to 2 decimal places)
Correct : 1.41
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