GATE Mining Engineering - GATE 2017-2018 Questions and Answers

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For a shrinkage stope the following data values are given

Insitu tonnage 9000 tonne

Insitu grade 5.2 g/tonne

Average grade of waste 1.4 g/tonne

Loss of ore in the stope 10%

Dilution 20%

The grade at the mill-head in g/tonne is ________

4.5 to 4.518

4.2 to 4.215

6.3 to 6.344

1.3 to 1.367

Answer : Option A

Explanation :

-NA-

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