Q3
What geological structure is most hazardous for tunnel construction?
A.
Horizontal bedding
B.
Fault zone
AnswerC.
Anticline fold
D.
Massive granite
Answer: Option B
Solution
Answer: Option B
Solution:
A fault zone consists of fractured, sheared, and weak rocks, increasing risk of collapse and water ingress in tunnels.They often act as water conduits.