Which method is best suited for sampling granular soils without disturbance?
A. Shelby tube
B. Split-spoon sampler
C. Piston sampler
D. Vane shear tool
Answer: Option C
Solution (By Examveda Team)
A piston sampler allows sampling with minimal disturbance, especially in granular and saturated soils, by controlling suction and avoiding soil fall.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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