CE-504-C Renewable Energy Resources - Nov 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 are the prospects of non-conventional energy sources in India? Explain.
   How to answer

   • Define non-conventional energy sources
   • Present status and potential in India - solar, wind, biomass, hydro, etc.
   • Government programmes and prospects
   • Conclusion on future outlook
2. 7 Marks
   bWhat is the role and potential of renewable energy? Explain in detail.
   How to answer

   • Define renewable energy
   • Explain role in energy security and environment
   • Discuss potential - solar, wind, hydro, biomass, etc.
   • Summary of importance for sustainable development
3. 7 Marks
   aWhat are the strategies for efficient energy management, explain in detail?
   How to answer

   • Define energy management
   • List strategies for efficient management
   • Explain each strategy in detail
   • Benefits for conservation and economy
4. 7 Marks
   bWrite the specifications of windmills for power generation.
   How to answer

   • Define windmill for power generation
   • List key specifications - rotor, tower, rated power, cut-in/rated/cut-out speed
   • Explain selection criteria
   • Typical ranges for power generation
5. 7 Marks
   aHow biomass conversion takes place? Explain in detail.
   How to answer

   • Define biomass conversion
   • Explain thermochemical routes - combustion, gasification, pyrolysis
   • Explain biochemical routes - anaerobic digestion, fermentation
   • Flow diagram and end products
6. 7 Marks
   bWhat are the advantages and limitations of Wave energy conversion?
   How to answer

   • Define wave energy conversion
   • List advantages - renewable, clean, high density
   • List limitations - intermittent, high cost, environmental
   • Overall assessment
7. 7 Marks
   aExplain the principle of conversion of solar energy in to heat.
   How to answer

   • Principle of solar thermal conversion
   • Absorption, heat transfer and losses
   • Role of flat plate / concentrating collectors
   • Efficiency considerations
8. 7 Marks
   bExplain Maximum Power point tracking procedure for a photovoltaic System.
   How to answer

   • Define maximum power point in PV characteristics
   • Need for MPPT
   • Explain perturb and observe / incremental conductance procedure
   • Block diagram of MPPT controller
9. 7 Marks
   aWhat are the reasons for variation in solar radiation reaching the earth than received at the outside of the atmosphere?
   How to answer

   • Extraterrestrial vs terrestrial radiation
   • Effects of scattering, absorption, reflection
   • Role of clouds, dust, ozone, water vapour, angle
   • Diffuse, direct and global components
10. 7 Marks
    bExplain the closed cycle OTEC System, with its advantages over open cycle system.
    How to answer

    • Working principle of closed cycle OTEC
    • System components and working fluid cycle
    • Comparison with open cycle system
    • Advantages of closed cycle
11. 7 Marks
    aWhat are the classifications of geothermal sources?
    How to answer

    • Define geothermal sources
    • Classification - hydrothermal, geopressured, hot dry rock, magma
    • Temperature based classification
    • Examples and characteristics
12. 7 Marks
    bExplain in detail about Small head hydro power development.
    How to answer

    • Define small head hydro power
    • Site requirements and components
    • Development steps and layout
    • Advantages and applications
13. 7 Marks
    aExplain the factors affecting of energy efficient motors.
    How to answer

    • Define energy efficient motors
    • Factors - design, loading, voltage, maintenance
    • Effect of each factor on efficiency
    • Measures to improve performance
14. 7 Marks
    bExplain concept of energy audit. And Discuss about Types of energy audit.
    How to answer

    • Define energy audit concept and objectives
    • Procedure of energy audit
    • Types - preliminary, detailed, etc.
    • Applications and benefits
15. 14 Marks
    Write a short note on any two.

    1. i)Electronic load controllers
    2. ii)Solar cell materials
    3. iii)Magneto-hydro generated energy
    4. iv)Thyristor
    How to answer

    • Select any two topics from list
    • Give definition and principle for each
    • Explain construction/working and applications
    • Conclude with advantages