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: Option C
Solution (By Examveda Team)
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.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
Related Questions on Mine Development and Mining Methods
What is the primary purpose of mine development?
A. Extraction of ore
B. Ventilation planning
C. Accessing ore body
D. Waste disposal
A. Shaft
B. Adit
C. Stope
D. Raise
A. Room and Pillar
B. Cut and Fill
C. Block Caving
D. Shrinkage Stoping
Which of the following is not an underground mining method?
A. Open-pit mining
B. Shrinkage stoping
C. Sublevel stoping
D. Cut and fill
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