Q192
What equipment is used for horizontal development in hard rock mines?
A.
Scraper
B.
LHD
C.
Tunnel Boring Machine (TBM)
AnswerD.
Scooptram
Answer: Option C
Solution
Answer: Option C
Solution:
TBMs are used for rapid, smooth excavation of horizontal tunnels.The correct answer is: Tunnel Boring Machine (TBM)Common in civil and some mining projects.Efficient but costly; suited for long, straight tunnels.