Which support type applies compressive force to resist rock movement?
A. Rock bolt
B. Shotcrete
C. Hydraulic prop
D. Chain link mesh
Answer: Option C
Solution (By Examveda Team)
Hydraulic props offer active support using fluid pressure.The correct answer is: Hydraulic propCommonly used in longwall mining to support advancing face.Can be adjusted and reused.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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