Q150
What is the primary benefit of mechanized raise mining?
A.
Requires fewer explosives
B.
Improves water drainage
C.
Faster and safer excavation
AnswerD.
Reduces ventilation needs
Answer: Option C
Solution
Answer: Option C
Solution:
Mechanized raise mining like raise boring or Alimak reduces manual work.The correct answer is: Faster and safer excavationMinimizes worker exposure to unsupported ground.Higher precision and speed than conventional methods.