Q48
Which of the following is a horizontal opening used for drainage or access?
A.
Shaft
B.
Raise
C.
Adit
AnswerD.
Winze
Answer: Option C
Solution
Answer: Option C
Solution:
Adit is a horizontal or nearly horizontal passage driven from the surface.The correct answer is: AditUsed for access, drainage, and ventilation.Shafts are vertical; raises and winzes are internal vertical workings.