CE-405 Engineering Geology & Remote Sensing - Jun 2023 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
   aWhat is the physical geology? List and explain in detail about features of physical geology?
   How to answer

   • Define physical geology as study of physical processes and features of earth
   • List features: weathering, erosion, earthquakes, volcanoes, rivers, glaciers, wind etc.
   • Explain each feature in detail with examples
   • Significance in engineering geology
2. 7 Marks
   bExplain with a neat sketch the structure of the earth.
   How to answer

   • Describe layers: crust, mantle, outer core, inner core
   • Give thickness, composition and physical properties of each
   • Provide neat labelled sketch of interior of earth
   • Brief significance
3. 7 Marks
   aDiscuss in detail how river is considered as one of the geological agents on earth?
   How to answer

   • Define geological agents
   • Explain river processes: erosion, transportation, deposition
   • Describe landforms produced by rivers
   • Engineering significance
4. 7 Marks
   bExplain briefly about mode of minerals formation?
   How to answer

   • Define mineral formation
   • Briefly describe modes: magmatic, sedimentary, metamorphic, hydrothermal, evaporation
   • Give examples for each mode
   • Concluding significance
5. 7 Marks
   aList and explain the requirements of a mineral?
   How to answer

   • Define mineral
   • List requirements: naturally occurring, inorganic, definite chemical composition, crystalline structure
   • Explain each requirement
   • Give examples
6. 7 Marks
   bExplain with an example the physical properties of rock-forming minerals?
   How to answer

   • List physical properties: colour, hardness, cleavage, lustre, specific gravity, streak etc.
   • Explain each with example mineral
   • Mention Mohs scale and testing methods
   • Engineering relevance
7. 7 Marks
   aDefine petrology discuss in detail about the subdivisions of petrology?
   How to answer

   • Define petrology
   • Describe subdivisions: igneous, sedimentary, metamorphic petrology
   • Explain scope of each subdivision
   • Give rock examples
8. 7 Marks
   bDiscuss in detail about the importance of petrology in engineering geology?
   How to answer

   • Explain role of petrology in site investigation
   • Discuss rock classification for foundations, dams, tunnels
   • Durability and weathering considerations
   • Examples of engineering decisions based on petrology
9. 7 Marks
   aExplain with neat sketch the steps involved in the rock cycle?
   How to answer

   • Define rock cycle
   • Describe steps: magmatism, weathering, sedimentation, metamorphism
   • Provide neat labelled sketch of rock cycle
   • Explain interconversion of igneous-sedimentary-metamorphic rocks
10. 7 Marks
    bWhat is structural geology explain in detail about the importance of studying structural geology in the field of civil engineering?
    How to answer

    • Define structural geology: study of folds, faults, joints, unconformities
    • Explain structural features and their measurement
    • Discuss importance for dams, tunnels, foundations
    • Stability and site selection implications
11. 7 Marks
    aWhat are the faults? Explain with neat sketch types of faults?
    How to answer

    • Define fault and fault plane
    • Describe types: normal, reverse, strike-slip, oblique faults
    • Provide neat sketches for each type
    • Engineering effects
12. 7 Marks
    bDiscuss in detail about the importance of unconformity in civil engineering?
    How to answer

    • Define unconformity and its types
    • Explain geological significance of breaks in succession
    • Discuss problems for foundations, reservoirs, tunnels
    • Precautions in civil engineering works
13. 7 Marks
    aWrite the practical applications of remote sensing in engineering geology?
    How to answer

    • Define remote sensing
    • List applications: mapping, land use, water resources, alignment surveys
    • Explain use in geological and geotechnical investigation
    • Examples in engineering geology
14. 7 Marks
    bDiscuss in detail about what are the factors to be considered for site selection of dam?
    How to answer

    • List factors: geology, topography, hydrology, foundation conditions, seismicity
    • Explain each factor in detail
    • Discuss reservoir and environmental aspects
    • Criteria for safe and economical dam site
15. 14 Marks
    Write a short note on any two :

    1. a)Use of GIS in resource mapping
    2. b)Earthquakes
    3. c)Crystallography
    4. d)Metamorphic agents
    How to answer

    • Select any two topics from given list
    • Define and explain key concepts for each
    • Give examples and engineering relevance
    • Provide concise structured note with diagram if needed