What is the N-value in standard penetration testing?
A. Number of boring tools
B. Depth of borehole
C. Number of blows for 30 cm penetration
D. Soil density
Answer: Option C
Solution (By Examveda Team)
N-value is the total number of hammer blows required to drive the sampler 30 cm into the soil after the initial seating blow.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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