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This question belongs to Mining Engineering Mine Supports And Strata Control

Mine Supports and Strata Control

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L/W faces with caving have called difficulties in roof control are depth less than nearly . . . . . . . .

A) 100 m B) 200 m C) 300 m D) 400 m

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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