SME CMSP Practice Questions - Certified Mine Safety Professional Exam

In underground coal mines, what is the primary engineering purpose of applying rock dust to mine surfaces?

To suppress methane emissions from the coal seam To improve roof bolt anchorage in shale To inert coal dust and prevent propagation of a dust explosion To reduce airborne respirable silica directly

Correct Answer:

To inert coal dust and prevent propagation of a dust explosion

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