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WorksheetsGeophysics Introduction
Total questions: 12
Worksheet time: 6mins
Which of the following is the most magnetic (highest magnetic susceptibility)?
Iron nail
Plastic bag
Water
Air
Which of the following is the most electrically conductive?
Sea water
Rubber tire
Dry Rock
Dry soil
Which of the following is increases with increasing compression modulus?
Youngs Modulus
Stiffness
Rigidity
None of the above
Which of the following has the highest rigidity (highest shear modulus)?
Fresh Water
Sea Water
Air
Solid Rock
Which of the following affects the ability of a material to store electric charge (increased Dielectric Constant)?
Ions
Surface area
Stiffness
Density
Which of the following has the highest density?
Air
Water
Rock
Soil
From the ASTMD6429-99, which of the following methods are best suited for detecting "Soils/Unconsolidated Layers"?
Seismic Refraction
Gravity
Magnetics
Electrical DC Resistivity
From the ASTMD6429-99, which of the following methods can be used for detecting "Rock Layers"?
Electrical DC Resistivity
Seismic Refraction
GPR
All of the above
From the ASTMD6429-99, which of the following methods are best suited for determining "Depth to Bedrock"?
Seismic Refraction
Electrical DC Resistivity
Electromagnetic Frequency Domain
Gravity
From the ASTMD6429-99, which of the following methods CANNOT be used for determining "Depth to Water Table"?
Seismic Refraction
Ground Penetrating Radar (GPR)
Magnetics
Electrical DC Resistivity
From the ASTMD6429-99, which of the following methods are best suited for locating "Voids and Sinkholes"?
Ground Penetrating Radar
Gravity
Magnetics
From the ASTMD6429-99, which of the following methods are best suited for detecting "Utilities"?
Seismic Refraction
Gravity
Magnetics
Ground Penetrating Radar
