CE-405 Engineering Geology & Remote Sensing - Jun 2025 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aDiscuss the geological work of river? Give the depositional landforms made by rivers.
   How to answer

   • Erosion, transportation and depositional work of river
   • Stages - youth, mature, old and associated processes
   • Depositional landforms: flood plain, levees, delta, alluvial fan/cone, meanders, ox-bow lake, braided channels
2. 7 Marks
   bGive a brief account of the importance of geology in civil engineering. Explain your answer by giving suitable example.
   How to answer

   • Definition and scope of geology in civil engineering
   • Importance in site selection, foundation, materials, groundwater, hazards
   • Suitable examples: dams, tunnels, buildings, roads
3. 7 Marks
   aExplain Earthquake magnitude, Earthquake Intensity, Earthquake focus.
   How to answer

   • Definition of magnitude (Richter scale, energy released)
   • Definition of intensity (Mercalli scale, damage effects)
   • Definition of focus/hypocenter vs epicenter
   • Differences and engineering significance
4. 7 Marks
   bExplain important physical properties of minerals that are commonly studied for their identification.
   How to answer

   • List physical properties: colour, streak, hardness, cleavage, fracture, lustre, specific gravity, form
   • Brief description of each property
   • How properties aid mineral identification with examples
5. 7 Marks
   aHow folds are classified? Explain with the help of neat sketch important types of folds as distinguished on the basis of a mode of occurrence.
   How to answer

   • Basis of fold classification
   • Types on mode of occurrence: anticline, syncline, dome, basin, etc.
   • Neat labelled sketches of fold types
   • Distinguishing characteristics
6. 7 Marks
   bWhat is a dam? With what purposes it will be constructed? Explain in detail the geological investigations of a good dam site.
   How to answer

   • Definition of dam and purposes: storage, irrigation, power, flood control, water supply
   • Geological investigations: lithology, structure, seismicity, groundwater, foundation stability
   • Surface and subsurface exploration methods
   • Selection criteria for good dam site
7. 7 Marks
   aExplain the engineering properties and description of Granite, Shale, Marble and Slate.
   How to answer

   • Origin and composition of Granite, Shale, Marble, Slate
   • Engineering properties: strength, durability, porosity, workability
   • Uses in civil engineering construction
8. 7 Marks
   bDescribe in detail, the process of weathering of rocks. Add a note on the effect of weathering on the strength of rocks.
   How to answer

   • Definition and agents of weathering: physical, chemical, biological
   • Detailed process of disintegration and decomposition
   • Factors controlling weathering
   • Effect on strength, durability and engineering behaviour
9. 7 Marks
   aExplain the importance of:

   1. i)Granite
   2. ii)Quartzite
   3. iii)Shale
   4. iv)Slate
   5. v)Schist
   How to answer

   • Importance of Granite as building and ornamental stone
   • Importance of Quartzite, Shale, Slate, Schist
   • Engineering uses and limitations of each rock
10. 7 Marks
    bWhat is ground water? Discuss the properties which control water bearing capacity of the Igneous rocks, Sedimentary rocks and Metamorphic rocks.
    How to answer

    • Definition of ground water, occurrence and sources
    • Properties: porosity, permeability, joints, fractures
    • Water-bearing capacity of igneous, sedimentary and metamorphic rocks
    • Aquifer types and examples
11. 7 Marks
    aDefine petrology and discuss in details about sub divisions of petrology.
    How to answer

    • Definition of petrology
    • Sub-divisions: igneous, sedimentary, metamorphic petrology
    • Scope and methods of each sub-division
12. 7 Marks
    bDescribe the texture and structure of metamorphic rocks with example.
    How to answer

    • Definition of texture and structure in metamorphic rocks
    • Textures: granoblastic, schistose, gneissose etc.
    • Structures: foliation, schistosity, lineation with examples
13. 7 Marks
    aWhat do you mean by minerals? Explain the physical and chemical properties of all rock forming minerals.
    How to answer

    • Definition of minerals
    • Physical properties of rock-forming minerals
    • Chemical properties and classification
    • Examples of common rock-forming minerals
14. 7 Marks
    bWrite practical applications of remote sensing in engineering geology.
    How to answer

    • Concept of remote sensing in geology
    • Applications: lithological mapping, structural mapping, groundwater, site selection
    • Disaster, environmental and infrastructure applications
15. 7 Marks
    aWrite a short note

    1. i)Types, components and elements of remote sensing
    2. ii)Use of GIS in resource mapping
    How to answer

    • Types of remote sensing: active, passive; components and elements
    • Energy source, sensor, platform, data interpretation
    • Use of GIS in resource mapping with examples
16. 7 Marks
    bExplain the following with neat sketches:

    1. i)Dip and strike
    2. ii)Parts of fold
    3. iii)Mural Joints
    4. iv)Dome and Basin
    How to answer

    • Dip and strike with block diagram
    • Parts of fold: hinge, limbs, axial plane
    • Mural joints, Dome and Basin structures
    • Neat labelled sketches for each