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This question belongs to Mining Engineering Coal Mining

Coal Mining

?

The goaf subsidence can be reduced to about . . . . . . . . of the amount caused by caving in hydraulic stowing.

A) $$\frac{1}{2}$$ B) $$\frac{1}{3}$$ C) $$\frac{1}{4}$$ D) $$\frac{1}{5}$$

Answer & Solution

Correct Answer: Option D

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