What site investigation technique is used for identifying subsurface cavities?
A. Cone penetration test
B. Electrical resistivity survey
C. Nuclear density test
D. Proctor compaction test
Answer: Option B
Solution (By Examveda Team)
Electrical resistivity survey detects variations in underground resistivity, which helps identify voids or cavities like in karst terrain.This Question Belongs to Geological Engineering >> Engineering Geology For Construction
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