What is the purpose of core recovery in rock drilling?
A. To measure depth of borehole
B. To install reinforcements
C. To examine rock continuity and fractures
D. To determine plasticity index
Answer: Option C
Solution (By Examveda Team)
Core recovery provides direct visual and physical evidence of rock condition, structure, and quality, vital for design and stability assessment.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
Join The Discussion