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This question belongs to Mining Engineering Mine Legislation And General Safety

Mine Legislation and General Safety

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Powered supports, hydraulic chocks or linked bars shall be advanced as soon as practicable after a web of coal has been taken off the face. So as to ensure the area of unsupported newly exposed roof is kept to a . . . . . . . .

A) Maximum B) Minimum C) Constant D) Medium

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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