Which equipment is typically used in raise boring?
A. Jumbo drill
B. TBM
C. Reaming head
D. Jackleg drill
Answer: Option C
Solution (By Examveda Team)
Raise boring involves drilling a pilot hole, then using a reaming head.The correct answer is: Reaming headEnlarges hole from bottom to top.Used for ventilation raises and ore passes.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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