What is the main advantage of using geophysical surveys in site investigations?
A. Easy interpretation
B. Costly process
C. Non-invasive and rapid data collection
D. High risk to structures
Answer: Option C
Solution (By Examveda Team)
Geophysical methods like seismic or resistivity are non-destructive and cover large areas quickly, helping locate anomalies without excavation.This Question Belongs to Geological Engineering >> 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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