Geology for Civil Engineers (Part-4)

What type of rock is formed from the remains of living organisms?

A Igneous
B Sedimentary
C Volcanic
D Metamorphic

Which of the following is a characteristic of clay soil?

A Drains quickly
B Large particle size
C Poor load-bearing capacity
D Easily compacts

Which of the following minerals is commonly found in granite?

A Feldspar
B Calcite
C Gypsum
D Halite

What is the key characteristic of fault zones?

A Stable and unchanging
B Areas of high mineral content
C They are areas of significant movement
D They contain fossils

Which type of seismic wave travels the fastest?

A Surface waves
B S-waves
C P-waves
D Rayleigh waves

What is the role of a geophysical survey in site investigation?

A To map subsurface conditions
B To measure soil moisture
C To identify seismic activity
D To assess air quality

What is the purpose of core sampling in geotechnical investigation?

A To study rock texture
B To collect soil for analysis
C To determine groundwater flow
D All of above

Which process leads to the formation of igneous rocks?

A Deposition
B Cooling of magma
C Pressure and heat
D Compaction of sediments

What is the role of stratigraphy in geology?

A To study earthquakes
B To measure groundwater levels
C To analyze the layers of rock
D To map tectonic plate movements

What is the primary characteristic of metamorphic rocks?

A Formed under heat and pressure
B Contain fossils
C Formed from cooling lava
D Made of layered sediments

Which type of rock is most likely to contain fossils?

A Igneous
B Volcanic
C Metamorphic
D Sedimentary

What is the effect of weathering on rocks?

A Hardens rocks
B Creates new minerals
C Breaks rocks into smaller pieces
D Increases rock density

What is a common geotechnical test for determining soil compaction?

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

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

A A layer of rock that stores groundwater
B A mineral deposit
C A type of soil
D A volcanic eruption

What is the primary cause of slope instability in hilly areas?

A Fault lines
B Soil compaction
C Water infiltration
D Volcanic activity