Which method is most suitable for detecting shallow subsurface cavities?
A. CPT
B. Electrical resistivity survey
C. Plate load test
D. Borehole log
Answer: Option B
Solution (By Examveda Team)
Electrical resistivity detects anomalies in subsurface resistance, useful for locating voids, cavities, or buried channels.Related Questions on Site Investigation and Geotechnical Exploration
What is the primary objective of site investigation in geotechnical engineering?
A. Cost estimation
B. Material procurement
C. Determination of soil and rock properties
D. Project scheduling
Which of the following is a non-invasive geophysical method?
A. Cone penetration test
B. Standard penetration test
C. Electrical resistivity method
D. Test pit excavation
The standard penetration test (SPT) measures:
A. Soil shear strength
B. Soil permeability
C. Soil density
D. Soil resistance to penetration
What does a borehole log provide?
A. List of equipment used
B. Weather data
C. Subsurface profile and material description
D. Project cost

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