What is the primary support used in weak underground conditions?
A. Blasting mats
B. Timber sets
C. Raise bore
D. Drift wall
Answer: Option B
Solution (By Examveda Team)
Timber sets are commonly used to support weak or fractured rock.The correct answer is: Timber setsComposed of vertical and horizontal wooden beams, they stabilize tunnels and stopes.Especially useful in narrow vein mines and older operations.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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