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Mining Engineering · Q59

Introduction to Mining Engineering

Engineering and GATE · Mining Engineering · question 59

Q59

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

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
A.
6.47
B.
4.57
Answer
C.
3.27
D.
5.47

Answer: Option B

Solution

Answer: Option B
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