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This question belongs to Mining Engineering Opencast Mining

Opencast Mining

?

The value of ore is Rs. 600 per ton, production cost Rs. 400 per ton and cost of over burden removal is Rs. 50 per m³, the break even stripping ratio in m³/ton is

A) 4 : 1 B) 1 : 3 C) 3 : 1 D) 1 : 4

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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M Sanapathi 10 months ago

(600-400)/50=4/1
ans 4:1

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