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This question belongs to Mining Engineering Coal Mining

Coal Mining

?

With 3 or 4 stooks under extraction at a time, the total area should not exceed . . . . . . . . m²

A) 900 B) 800 C) 400 D) 100

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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1 Comment

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Shaswat Ranjan 6 months ago

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