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This question belongs to Mining Engineering Coal Mining

Coal Mining

?

The upper portion of the sand stowing pipe is generally changed after the transport of . . . . . . . . lac ton of sand.

A) 1 - 2 B) 2 - 4 C) 4 - 6 D) 6 - 8

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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