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This question belongs to Mining Engineering Coal Mining

Coal Mining

?

The pressure on diamonds is between during drilling

A) 0.6 - 1.2 Kgf/cm² B) 1.5 - 2 Kgf/cm² C) 2.5 - 3.8 Kgf/cm² D) 3.8 - 6 Kgf/cm²

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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