ES-401 Energy & Environmental Engineering - Dec 2024 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
   aExplore the potential remedies and alternatives for fossil fuels.
   How to answer

   • Define fossil fuels and their environmental limitations
   • List potential remedies: efficiency, CCS, fuel switching
   • Discuss alternatives: solar, wind, hydro, biomass, nuclear, hydrogen
   • Compare feasibility and sustainability
2. 7 Marks
   bDiscuss the advantages of transitioning to renewable energy source solar.
   How to answer

   • Define solar energy as renewable source
   • Explain working principle of solar PV/thermal
   • List advantages: clean, abundant, low operating cost
   • Discuss economic and environmental benefits of transition
3. 7 Marks
   aDiscuss the role of energy storage in enhancing the efficiency and reliability of energy systems.
   How to answer

   • Define energy storage need with intermittency
   • List storage types: battery, pumped hydro, thermal, flywheel
   • Explain role in efficiency and reliability
   • Give examples of grid stability and peak shaving
4. 7 Marks
   bDiscuss the importance of adopting sustainable energy systems for mitigating environmental impacts.
   How to answer

   • Define sustainable energy systems
   • Link to emission reduction and climate mitigation
   • Explain resource conservation and pollution control
   • Discuss long-term ecological and economic importance
5. 7 Marks
   aExplain the concept of ecological succession and its importance in ecosystem development.
   How to answer

   • Define ecological succession
   • Explain types: primary and secondary
   • Describe stages and pioneer to climax community
   • Explain importance in ecosystem development
6. 7 Marks
   bDiscuss the flow of energy and nutrients through these ecological networks in maintaining ecosystem stability.
   How to answer

   • Define food chains, webs and trophic levels
   • Explain energy flow: 10% law, unidirectional
   • Explain nutrient cycling: biogeochemical cycles
   • Link to ecosystem stability and resilience
7. 7 Marks
   aProvide an overview of different types of ecosystems, including forest, grassland, desert and aquatic ecosystems.
   How to answer

   • Define ecosystem and classification
   • Describe forest, grassland, desert, aquatic features
   • Compare flora, fauna and climate
   • Give examples and ecological significance
8. 7 Marks
   bDiscuss the stages of primary and secondary succession and the factors influencing them.
   How to answer

   • Define primary vs secondary succession
   • List stages in each succession
   • Explain factors: climate, soil, disturbance, species
   • Compare duration and process
9. 7 Marks
   aExplore the threats to biodiversity in India, including habitat loss, poaching of wildlife and man-wildlife conflicts.
   How to answer

   • Define biodiversity threats in India
   • Explain habitat loss and fragmentation
   • Discuss poaching and man-wildlife conflict
   • Give examples of affected species/regions
10. 7 Marks
    bDiscuss the implications of these threats on endangered and endemic species, emphasizing the need for conservation efforts.
    How to answer

    • Define endangered and endemic species
    • Explain population decline and extinction risk
    • Discuss loss of genetic diversity and ecosystem imbalance
    • Emphasize need for conservation efforts
11. 7 Marks
    aExplain the concepts of in-situ and ex-situ conservation of biodiversity.
    How to answer

    • Define in-situ conservation with examples
    • Define ex-situ conservation with examples
    • Differentiate objectives and methods
    • Discuss merits and limitations
12. 7 Marks
    bDiscuss the strategies and measures adopted for conserving biodiversity in India at the global, national, and local levels, emphasizing the role of both governmental and non-governmental organizations.
    How to answer

    • Outline global, national, local strategies
    • Discuss laws, protected areas, projects
    • Explain role of government organizations
    • Explain role of NGOs and community participation
13. 7 Marks
    aExplore the causes, effects, and control measures of urban and industrial wastes in solid waste management.
    How to answer

    • Define urban and industrial solid waste
    • Explain causes: population, industrialization, consumption
    • Discuss effects on health and environment
    • Suggest control measures: segregation, recycling, treatment
14. 7 Marks
    bDiscuss disaster management strategies for floods and earthquakes.
    How to answer

    • Define disaster management cycle
    • Explain flood management: prevention, preparedness, relief
    • Explain earthquake management: zoning, building codes, response
    • Discuss rehabilitation and mitigation strategies
15. 7 Marks
    aDiscuss the role of individual actions in preventing pollution and promoting sustainable waste management practices.
    How to answer

    • Define pollution and waste management role of individuals
    • Discuss reduce, reuse, recycle and segregation
    • Explain community participation and awareness
    • Give examples of sustainable practices
16. 7 Marks
    bDiscuss India's status as a mega-diversity nation and identify its biodiversity hotspots.
    How to answer

    • Define mega-diversity nation concept
    • Explain India's biodiversity status and statistics
    • Identify hotspots: Himalaya, Western Ghats, etc.
    • Discuss significance and conservation need