What does the term "undisturbed sample" mean in geotechnical investigation?
A. Sample taken using power auger
B. Sample removed from surface layer
C. Sample retaining in-situ structure and moisture
D. Sample dried before testing
Answer: Option C
Solution (By Examveda Team)
An undisturbed sample maintains the natural structure and water content of the soil, crucial for laboratory analysis of strength, permeability, and compressibility.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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