GATE MN · 2018 · MN
Question 48: Mine Planning
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Question 48
MNNAT2 marksNeeds review
In a level terrain, a vertical orebody of 20 m uniform width is worked by surface mining method. The density of the ore is 2.5 tonne/m
. The ultimate pit has a depth of 60 m, width of 20 m at pit bottom, and a pit slope of 45°. The overall stripping ratio for this condition in m
/tonne is ____________________.Log in to check the answer
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2018MN
GATE MN 2018 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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