(SEM V) THEORY EXAMINATION 2023-24 ENGINEERING GEOLOGY

Subject Code: KCE054

Subject Name: Engineering Geology

Course: B.Tech (Semester V)

Maximum Marks: 100

Duration: 3 Hours

Exam Year: 2023–24

Sections: A, B, and C

SECTION A – Short Answer Questions (2 × 10 = 20 Marks)

Attempt all questions briefly.

Define one significant geological hazard.

Name two branches of geology relevant to civil engineering.

Explain stratification and lamination bedding of rocks.

Define structure and texture of rocks.

What is grouting in civil engineering?

What is alkali-aggregate reaction?

Define seismic zones of India.

State preventive measures for landslides.

Explain the origin of underground water.

Define aquifer and aquiclude.

SECTION B – Medium-Length Questions (10 × 3 = 30 Marks)

Attempt any three of the following.

Explain the significance of geological studies in civil engineering projects.

Classify rocks as igneous, sedimentary, and metamorphic.

Define alkali-aggregate reaction and discuss its implications in concrete structures.

Discuss how seismic activities influence structural stability.

Differentiate between aquifer and aquiclude; explain their role in groundwater movement.

SECTION C – Long/Analytical Questions (10 × 5 = 50 Marks)

Q3. Minerals and Construction

a. Discuss the physical properties of minerals and their importance in construction.
OR
b. Explain how Scanning Electron Microscopy (SEM) helps in the study of construction materials.

Q4. Building Stones and Geological Structures

a. Discuss criteria for selecting building stones in construction.
OR
b. Explain how geological structures (folds, faults, joints) influence civil engineering projects.

Q5. Pozzolanic Materials and Minerals

a. Evaluate the role of pozzolanic materials in improving concrete properties.
OR
b. Discuss engineering applications of rock-forming minerals (e.g., quartz, feldspar, mica).

Q6. Landslides and Seismic Zones

a. Evaluate preventive measures and mitigation strategies to minimize landslide risks.
OR
b. Outline seismic zones of India and their geological significance.

Q7. Groundwater and Site Selection

a. Elaborate on artesian wells and their formation.
OR
b. Explain geological considerations for selecting sites of reservoirs, tunnels, bridges, and highways.
 

Key Topics to Prepare

Geological Basics

Branches of geology (physical, structural, mineralogical, engineering geology).

Rock classification — igneous, sedimentary, metamorphic.

Structure & texture of rocks — stratification, lamination, joints, bedding planes.

Applications in Civil Engineering

Role of geological studies in site selection and construction.

Geological mapping for tunnels, dams, highways, and foundations.

Grouting techniques and purposes (reducing seepage, soil stabilization).

Natural Hazards & Prevention

Landslides — causes, control, and mitigation.

Earthquakes — seismic zones of India (Zone II to Zone V).

Preventive engineering measures in hilly terrain.

Water Resources

Origin and movement of groundwater.

Aquifer vs Aquiclude — storage and permeability concepts.

Artesian wells and groundwater recharge zones.

Materials & Microscopic Analysis

Alkali-aggregate reaction and its effect on concrete durability.

Pozzolanic materials (fly ash, silica fume, GGBS) and their contribution to strength.

SEM applications in microstructural analysis of concrete and minerals.

Study Tips

Revise definitions — for Section A, focus on clarity (2–3 lines each).

Draw diagrams — rock cycles, folds, faults, aquifer sections, and seismic zones.

Understand case studies — e.g., landslides in hilly areas or dam site failures.

Practice classification tables — rocks, minerals, and zones.

Relate geology to civil engineering — emphasize real-world examples.