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This question belongs to Mining Engineering Opencast Mining

Opencast Mining

?

In order to avoid formation of toe in hard rocks the depth of shot hole should be

A) 0.5 times the height of the depth B) 0.5 - 1 m deeper below the level of bench C) Same at the level of bench D) 2 m below the level of bench

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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