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Geological Engineering · Q117

Site Investigation and Geotechnical Exploration

Engineering and GATE · Geological Engineering · question 117

Q117

Which of the following is a non-destructive geophysical technique?

A.
Borehole logging
B.
CPT
C.
Electrical resistivity survey
Answer
D.
Plate load test

Answer: Option C

Solution

Answer: Option C
Solution:
Electrical resistivity survey does not disturb the ground and is widely used to detect subsurface features like bedrock, water table, and voids.