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This question belongs to Mining Engineering Mine Supports And Strata Control

Mine Supports and Strata Control

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During depillaving operations, if the roof is laminated, local fall occurs . . . . . . . . hours after props are withdrawn

A) 2 - 8 B) 4 - 6 C) 4 - 10 D) 10 - 12

Answer & Solution

Correct Answer: Option C

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Question posted by Examveda

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