Which mining layout includes rooms and pillars of unmined ore?
A. Shrinkage stoping
B. Room and pillar
C. Block caving
D. Sublevel caving
Answer: Option B
Solution (By Examveda Team)
Room and pillar leaves parts of the ore as pillars for support.The correct answer is: Room and pillarCommon in coal and flat-lying bedded deposits.Pillars may be later recovered in retreat mining.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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