The primary purpose of trial pits is to:
A. Collect deep rock samples
B. Observe groundwater flow
C. Investigate shallow subsurface conditions visually
D. Perform pile load tests
Answer: Option C
Solution (By Examveda Team)
Trial pits are shallow excavations used to visually inspect and sample near-surface soils.They are suitable for small projects or detailed shallow investigations.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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