GATE MN · 2024 · MN
Question 36: Mine Planning
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Question 36
MNMCQ2 marksNeeds review
Data from two production faces of an open pit iron ore mine are given.
Item description | Face 1 | Face 2 |
|---|---|---|
Maximum production capacity (tonne/day) | 1600 | 2000 |
Fe (%) | 63 | 58 |
Production cost of ores (in INR/tonne) | 1500 | 1200 |
Ores from two different faces are blended and supplied with Fe grade not less than 60 %. Based on the demand, the combined production is limited to a maximum of 2500 tonne/day. If the selling price of blended iron ores is INR 4500 /tonne, the optimal production from two faces in tonne/day, for maximizing the profit, respectively are
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2024MN
GATE MN 2024 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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