Q172
Which development activity is done first in underground mining?
A.
Crosscutting
B.
Shaft sinking
AnswerC.
Drifting
D.
Stoping
Answer: Option B
Solution
Answer: Option B
Solution:
Shaft sinking is usually the first major activity to access deeper levels.The correct answer is: Shaft sinkingIt allows transport, ventilation, and service installation.Followed by lateral development.