Geology for Civil Engineers (Part-9)

What type of weathering involves the breakdown of rocks through chemical reactions?

A Chemical weathering
B Physical weathering
C Biological weathering
D Erosion

What is the primary cause of erosion in coastal areas?

A Wind
B Ice
C Water
D Biological factors

What is the main purpose of a geotechnical investigation?

A To study weather patterns
B To assess subsurface conditions
C To measure air quality
D To predict earthquakes

What is the term used for the movement of soil down a slope due to gravity?

A Landslide
B Erosion
C Deposition
D Seismic activity

What is the main cause of slope instability?

A Low moisture content
B High vegetation cover
C Excessive water infiltration
D Low mineral content

Which of the following is commonly used to obtain samples of rock or soil for testing?

A Seismograph
B Geophone
C Magnetometer
D Borehole

What is the term for the deposition of materials carried by wind?

A Aeolian deposition
B Glacial deposition
C Fluvial deposition
D Marine deposition

Which of the following can cause landslides?

A Strong winds
B Earthquakes
C High temperatures
D Excessive plant growth

What type of rock is typically used for tunnel construction?

A Limestone
B Sandstone
C Granite
D Shale

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

A Metamorphism
B Lithification
C Crystallization
D Erosion

What geological hazard is associated with volcanic activity?

A Lava flows
B Earthquakes
C Tsunamis
D Sinkholes

What is the process of water seeping through the soil called?

A Erosion
B Percolation
C Evaporation
D Infiltration

What is the primary factor influencing the engineering properties of rocks?

A Color
B Texture
C Mineral composition
D Weight

What is the term for a type of rock that has undergone significant changes due to heat and pressure?

A Igneous
B Metamorphic
C Sedimentary
D Volcanic

Which type of soil is most prone to compaction?

A Clay
B Gravel
C Sand
D Loam