Q208
Which underground method allows for continuous ore production with minimal blasting?
A.
Block caving
B.
Cut and fill
C.
Sublevel caving
D.
Longwall mining
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Longwall mining uses shearers and roof supports for continuous operation.The correct answer is: Longwall miningPrimarily used in coal mining.High productivity and automation.