GATE MN · 2026 · MN
Question 59: Mining Methods
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Question 59
MNNAT2 marksNeeds review
A regular shaped cut and fill stope is shown. Pillars of size 4 m × 4 m are left at an interval of 13 m along the length of the stope. If the density of the mined ore is 2.5 tonne m
, and slices are extracted to the full stope width, the total tonnage of ore recovered from the 1
slice of the stope is __________ × 10
. (rounded off to one decimal place)
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2026MN
GATE MN 2026 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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