Geology for Civil Engineers (Part-10)

What is the primary purpose of geophysical surveys in construction?

A To measure rock density
B To analyze groundwater flow
C To detect subsurface anomalies
D To map surface topography

Which type of rock is most commonly used as a construction material?

A Granite
B Shale
C Limestone
D Basalt

What is the main component of concrete?

A Sand
B Gravel
C Water
D Cement

What geophysical method uses seismic waves to explore subsurface conditions?

A Electrical resistivity
B Seismic reflection
C Ground-penetrating radar
D Magnetometry

What is the main factor that determines the permeability of soil?

A Particle size
B Moisture content
C Organic content
D Soil color

What is the purpose of conducting a core sampling in geotechnical investigations?

A To analyze mineral composition
B To determine soil strength
C To detect seismic activity
D To study groundwater contamination

What is the term for the movement of groundwater through the soil?

A Evaporation
B Precipitation
C Infiltration
D Condensation

Which material is commonly used as an aggregate in concrete?

A Sand
B Granite
C Clay
D Marble

What type of rock is primarily used in the construction of tunnels?

A Limestone
B Shale
C Granite
D Sandstone

What type of soil is typically most suitable for the foundation of buildings?

A Loam
B Clay
C Sand
D Gravel

What does the term “rock mechanics” refer to?

A Study of rock formations
B Study of mineral composition
C Study of rock strength and behavior under stress
D Study of rock weathering

What type of rock is formed by the cooling and crystallization of magma?

A Sedimentary
B Igneous
C Metamorphic
D Organic

What is the term used to describe the process of rock formation from accumulated sediment?

A Lithification
B Metamorphism
C Crystallization
D Erosion

What is the primary use of remote sensing in geology?

A To analyze mineral composition
B To assess soil strength
C To measure water flow
D To map geological features from a distance

What is the purpose of a dam in geological engineering?

A To provide a source of geothermal energy
B To extract minerals
C To store and control water flow
D To monitor soil stability