What is the N-value in SPT testing?
A. Number of samples taken
B. Water content
C. Number of blows for 30 cm penetration
D. Number of blows for 60 cm penetration
Answer: Option C
Solution (By Examveda Team)
The N-value is the number of hammer blows required to drive the sampler 30 cm after an initial 15 cm seating.It helps classify soil consistency and bearing capacity.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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