What is the function of drilling mud in rotary drilling?
A. Increase soil friction
B. Provide lubrication and borehole stability
C. Remove all moisture
D. Reduce sampling errors
Answer: Option B
Solution (By Examveda Team)
Drilling mud acts as a coolant and lubricant while maintaining borehole stability and carrying cuttings to the surface.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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