Mining Engineering
GATE MN Mineral Economics PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–23 of 23. Imported answers require independent review unless marked reviewed.
Question 10
Open questionMNMCQ1 markNeeds review
Minerals A and B are produced from a deposit. Minerals A and B will be called coproducts if
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionMNMCQ1 markNeeds review
Which one of the following does NOT belong to the direct operating cost of a mine?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 31
Open questionMNNAT2 marksNeeds review
Total ore mined from a sub-level open stope of a copper deposit is measured to be 10000 tonne. The ore recovery and ore dilution during stoping are 90% and 20% respectively. The in situ Cu grade of the ore in the stope is 0.65%. The selling price of copper is Rs. 400/kg of metal. Ignoring any other metal losses in the downstream process of the ore, the revenue generated by selling the ore in Crores of rupees is
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer