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This question belongs to Mining Engineering Coal Mining

Coal Mining

?

Gallaries which are heightend, widended should be supported by row of props . . . . . . . . meter aparts and chocks . . . . . . . . meter apart.

A) 1.2, 3 B) 1.5, 3 C) 1.8, 3 D) 1.2, 2.5

Answer & Solution

Correct Answer: Option A

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