What does a low RQD (<25%) indicate?
A. Excellent rock quality
B. Poor rock quality
C. Intermediate soil
D. Low permeability
Answer: Option B
Solution (By Examveda Team)
Rock Quality Designation (RQD) less than 25% signifies poor quality, highly fractured rock, unsuitable for load-bearing without reinforcement.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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