Q16
Which excavation is driven upward from one level to another in a mine?
A.
Raise
AnswerB.
Drift
C.
Shaft
D.
Crosscut
Answer: Option A
Solution
Answer: Option A
Solution:
Raise is a vertical or inclined opening driven upward from one level to another.The correct answer is: RaiseUsed for ventilation, ore transfer, and escape routes.Drift is horizontal, shaft is vertical from surface, and crosscut connects drifts.