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This question belongs to Mining Engineering Mine Development And Mining Methods

Mine Development and Mining Methods

?

In raise boring, what is the function of the reamer head?

A) Drill vertical holes B) Guide pilot holes C) Enlarge pilot holes D) Pump water

Answer & Solution

Correct Answer: Option C

Reamer head is attached after a pilot hole is drilled.The correct answer is: Enlarge pilot holesRotates from bottom to top, enlarging the raise.Produces smooth, stable openings for ventilation or ore movement.

Question posted by Examveda

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