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This question belongs to Mining Engineering Opencast Mining

Opencast Mining

?

The maximum air consumption in wagon drill

A) 2 - 6 m³/s min B) 8 - 19 m³/s min C) 19 - 22 m³/s min D) 25 - 30 m³/s min

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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