Which of the following supports is classified as a passive support?
A. Shotcrete
B. Steel set
C. Rock bolt
D. Cable bolt
Answer: Option B
Solution (By Examveda Team)
Passive support does not actively resist deformation but holds ground in place.The correct answer is: Steel setShotcrete and bolts are considered active supports.Steel sets are common in tunnels with poor ground.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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