What is the primary use of gravity methods in engineering geology?
A. Mineral detection
B. Moisture content mapping
C. Detection of subsurface density variations
D. Determining groundwater pH
Answer: Option C
Solution (By Examveda Team)
Gravity methods detect changes in subsurface density which helps locate voids, faults, and rock interfaces.This Question Belongs to Geological Engineering >> Geophysical Methods In Engineering
Which geophysical method uses electrical resistivity to study subsurface layers?
A. Seismic reflection
B. Electrical resistivity method
C. Gravity method
D. Magnetic method
What is the primary physical property measured in the seismic refraction method?
A. Electrical resistivity
B. Density
C. Seismic wave velocity
D. Magnetic susceptibility
The magnetic method in geophysics is used to detect:
A. Density contrasts
B. Magnetic anomalies
C. Water table depth
D. Pore pressure
Ground Penetrating Radar (GPR) is most effective in detecting:
A. Subsurface water
B. Magnetic minerals
C. Airborne pollutants
D. Earthquakes
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