Geology for Civil Engineers (Part-8)

What is the primary process responsible for rock weathering?

A Chemical reactions
B Erosion
C Heating
D Cooling

Which soil type is most commonly found in floodplains?

A Clay
B Loam
C Sand
D Peat

What is the term used for the downward movement of soil and rock due to gravity?

A Landslide
B Erosion
C Deposition
D Flood

What is the main cause of coastal erosion?

A Wind
B Tidal waves
C Wave action
D Ocean currents

What is the purpose of core sampling during a geotechnical investigation?

A To collect groundwater samples
B To measure air quality
C To examine rock minerals
D To assess soil strength

What effect does vegetation have on slope stability?

A Decreases stability
B No effect
C Increases stability
D Causes erosion

What is the term for the deposition of material by wind?

A Aeolian deposition
B Sedimentation
C Glaciation
D Erosion

What is the term for the process of rocks breaking into smaller pieces without changing their chemical composition?

A Chemical weathering
B Physical weathering
C Biological weathering
D Lithification

Which factor most significantly affects soil erosion in hilly areas?

A Soil type
B Wind speed
C Slope angle
D Vegetation

What is the main effect of soil compaction in construction?

A Decreases drainage
B Increases load-bearing capacity
C Increases soil volume
D Increases permeability

What is the term used for a type of sedimentary rock that forms from the remains of plants and animals?

A Organic
B Clastic
C Chemical
D Metamorphic

What is the main cause of mechanical weathering?

A Water
B Wind
C Plant roots
D Temperature changes

What is the primary method of determining the permeability of soil?

A Sieve analysis
B Permeameter test
C Proctor test
D X-ray diffraction

What does the term “stratigraphy” refer to in geology?

A Study of faults
B Study of seismic waves
C Study of rock layers
D Study of minerals

Which of the following is a factor affecting slope stability?

A Soil moisture content
B Soil texture
C Soil depth
D All of the above