Q82
What type of geological formation is best avoided when designing large dams?
A.
Igneous rocks
B.
Folded strata
C.
Karstic limestone
AnswerD.
Crystalline schist
Answer: Option C
Solution
Answer: Option C
Solution:
Karstic limestone contains cavities and sinkholes due to dissolution, posing severe leakage and settlement risks under hydraulic structures.