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ME-604 (C) · Renewable Energy Technology/Important Questions

Renewable Energy Technology (ME-604 (C)) - Important Questions

  1. 7 Marks High Priority Asked: 2024, 2023, 2020

    Explain how solar radiation is measured, including instruments and methods

    Appeared 4x (2024, 2023, 2020)

  2. 7 Marks High Priority Asked: 2024, 2022, 2020

    Explain the constructional features and working of a solar flat plate collector with neat diagram.

    Appeared 4x (2024, 2022, 2020)

  3. 9 Marks Medium Priority Asked: 2025, 2022

    Explain the principle / working of photovoltaic (P-V) conversion of solar energy in a solar cell with suitable diagram.

    Appeared 3x (2025, 2022)

  4. 7 Marks Medium Priority Asked: 2026

    Differentiate between flat plate collectors and concentrating collectors.

    Appeared 1x (2026)

  5. 7 Marks Medium Priority Asked: 2026

    Explain the need for selective coatings in solar collectors.

    Appeared 1x (2026)

  6. 7 Marks Medium Priority Asked: 2024, 2023, 2020

    Describe the types of semiconductors / solar cells used to fabricate PV cells and modules.

    Appeared 3x (2024, 2023, 2020)

  7. 7 Marks Medium Priority Asked: 2025

    Explain the applications of solar cells in a PV generation system.

    Appeared 1x (2025)

  8. 7 Marks Medium Priority Asked: 2025

    Explain the construction and working of a solar water heater with a suitable example.

    Appeared 1x (2025)

  9. 7 Marks Low Priority Asked: 2024, 2020

    Explain the limitations of SPV systems.

    Appeared 2x (2024, 2020)

  10. 7 Marks Low Priority Asked: 2023

    Explain solar radiation on tilted surfaces

    Appeared 1x (2023)

  11. 7 Marks Low Priority Asked: 2023

    Explain classification of solar collectors and main applications of a solar drier.

    Appeared 1x (2023)

  12. 7 Marks Low Priority Asked: 2023

    Calculate the incidence angle of beam radiation on a tilted collector for a given date, time, location and orientation

    Appeared 1x (2023)

  13. 7 Marks High Priority Asked: 2025, 2024, 2023, 2020

    Derive the expression for power developed due to wind.

    Appeared 4x (2025, 2024, 2023, 2020)

  14. 7 Marks High Priority Asked: 2024, 2023, 2020

    Explain the limitations and barriers that prohibit large-scale utilization of wind power for electricity.

    Appeared 4x (2024, 2023, 2020)

  15. 7 Marks Medium Priority Asked: 2024, 2020

    What is an aerofoil? Explain its types.

    Appeared 3x (2024, 2020)

  16. 14 Marks Medium Priority Asked: 2026

    Explain the following: (Any Two)

    Appeared 1x (2026)

  17. 7 Marks Medium Priority Asked: 2026

    Describe the basic principles of wind energy conversion.

    Appeared 1x (2026)

  18. 7 Marks Medium Priority Asked: 2026

    Discuss various techniques for the measurement and analysis of wind data.

    Appeared 1x (2026)

  19. 7 Marks Medium Priority Asked: 2025

    Describe the Energy Estimation of Wind Regimes.

    Appeared 1x (2025)

  20. 7 Marks Low Priority Asked: 2024, 2020

    Explain a wind-diesel hybrid system.

    Appeared 2x (2024, 2020)

  21. 7 Marks Low Priority Asked: 2024

    Explain WECS and its various types with suitable diagram.

    Appeared 1x (2024)

  22. 7 Marks Low Priority Asked: 2023

    What is an Aero foil? Explain its types.

    Appeared 1x (2023)

  23. 7 Marks High Priority Asked: 2026, 2025

    Explain and compare $C_3$ and $C_4$ plant photosynthesis with respect to biomass production.

    Appeared 2x (2026, 2025)

  24. 7 Marks High Priority Asked: 2026, 2024

    Classify and explain the different types of biomass gasifiers / biomass gasification.

    Appeared 2x (2026, 2024)

  25. 7 Marks Medium Priority Asked: 2026

    Explain the principle of biomass gasification and discuss the various stages involved in the gasification process.

    Appeared 1x (2026)

  26. 7 Marks Medium Priority Asked: 2026

    Explain the methods used for biomass resource assessment.

    Appeared 1x (2026)

  27. 7 Marks Medium Priority Asked: 2024, 2023, 2020

    What is Biomass? How it is useful?

    Appeared 3x (2024, 2023, 2020)

  28. 7 Marks Medium Priority Asked: 2025

    Describe the Various Types of Production of Biomass Energy.

    Appeared 1x (2025)

  29. 7 Marks Medium Priority Asked: 2025

    Describe the various types of digesters used in biomass energy systems.

    Appeared 1x (2025)

  30. 7 Marks Low Priority Asked: 2024, 2020

    Explain the biochemical conversion process of biomass.

    Appeared 2x (2024, 2020)

  31. 7 Marks High Priority Asked: 2026, 2024, 2023, 2020

    Explain the principle and working of an Ocean Thermal Energy Conversion (OTEC) system with a neat diagram.

    Appeared 5x (2026, 2024, 2023, 2020)

  32. 10 Marks High Priority Asked: 2026, 2025

    Explain speed and voltage regulation in hydropower plants and their importance for stable power generation.

    Appeared 2x (2026, 2025)

  33. 7 Marks High Priority Asked: 2026, 2024

    Explain the principle of tidal energy conversion system with suitable diagram.

    Appeared 2x (2026, 2024)

  34. 7 Marks Medium Priority Asked: 2024, 2023, 2020

    Differentiate between micro, mini and small hydro systems.

    Appeared 3x (2024, 2023, 2020)

  35. 10 Marks Medium Priority Asked: 2024, 2023

    Calculate the energy generated in one filling (or emptying) process for a simple single-basin tidal power plant given basin area, tidal range, minimum operating head, and turbine-generator efficiency.

    Appeared 2x (2024, 2023)

  36. 7 Marks Medium Priority Asked: 2025

    Define the Various Types of Turbines and Explain Any One with Suitable Diagram.

    Appeared 1x (2025)

  37. 7 Marks Medium Priority Asked: 2025

    Describe the various types of tariffs in electricity.

    Appeared 1x (2025)

  38. 7 Marks Low Priority Asked: 2024

    Explain the main components of a small hydropower system.

    Appeared 1x (2024)

  39. 4 Marks Low Priority Asked: 2023

    Define significant wave height for irregular sea waves.

    Appeared 1x (2023)

  40. 7 Marks High Priority Asked: 2026, 2024

    Explain the site selection criteria for a geothermal power plant.

    Appeared 2x (2026, 2024)

  41. 7 Marks High Priority Asked: 2026, 2024

    Explain the construction and working principle of a fuel cell for electricity generation with a neat diagram.

    Appeared 2x (2026, 2024)

  42. 7 Marks Medium Priority Asked: 2025

    Describe the process of electricity generation from geothermal energy resources.

    Appeared 1x (2025)

  43. 7 Marks Medium Priority Asked: 2025

    Explain the thermodynamic principles underlying geothermal energy conversion.

    Appeared 1x (2025)

  44. 7 Marks Low Priority Asked: 2024, 2020

    What are the different types of geothermal deposits?

    Appeared 2x (2024, 2020)

  45. 7 Marks Low Priority Asked: 2024

    Explain the environmental benefits of geothermal energy production.

    Appeared 1x (2024)

  46. 7 Marks Low Priority Asked: 2023

    Describe the classification of fuel cell. With a neat sketch explain the working of fuel cell.

    Appeared 1x (2023)

  47. 14 Marks Medium Priority Asked: 2025

    Write the short notes on the following.

    Appeared 1x (2025)

  48. 14 Marks Low Priority Asked: 2024

    Write short notes on any two:

    Appeared 1x (2024)

  49. 14 Marks Low Priority Asked: 2024

    Write short notes on the Following.

    Appeared 1x (2024)

  50. 7 Marks Low Priority Asked: 2024

    Classify the renewable energy sources.

    Appeared 1x (2024)

  51. 7 Marks Low Priority Asked: 2022

    What is Renewable Energy?

    Appeared 1x (2022)

  52. 7 Marks Low Priority Asked: 2022

    Explain the need of Renewable Energy.

    Appeared 1x (2022)

  53. 7 Marks Low Priority Asked: 2022

    Classify the renewable energy sources.

    Appeared 1x (2022)

  54. 7 Marks Low Priority Asked: 2022

    What is energy storage management?

    Appeared 1x (2022)

  55. 7 Marks Low Priority Asked: 2022

    Explain the effect of use of fossil fuel on Climate change and Global warming.

    Appeared 1x (2022)

  56. 7 Marks Low Priority Asked: 2022

    Write and explain sensible heat and latent heat.

    Appeared 1x (2022)

  57. 7 Marks Low Priority Asked: 2022

    What is green house effect?

    Appeared 1x (2022)

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