Renewable Energy Technology (ME-604 (C)) - Important Questions
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7 Marks High Priority Asked: 2024, 2023, 2020
Explain how solar radiation is measured, including instruments and methods
Appeared 4x (2024, 2023, 2020)
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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)
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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)
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7 Marks Medium Priority Asked: 2026
Differentiate between flat plate collectors and concentrating collectors.
Appeared 1x (2026)
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7 Marks Medium Priority Asked: 2026
Explain the need for selective coatings in solar collectors.
Appeared 1x (2026)
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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)
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7 Marks Medium Priority Asked: 2025
Explain the applications of solar cells in a PV generation system.
Appeared 1x (2025)
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7 Marks Medium Priority Asked: 2025
Explain the construction and working of a solar water heater with a suitable example.
Appeared 1x (2025)
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7 Marks Low Priority Asked: 2024, 2020
Explain the limitations of SPV systems.
Appeared 2x (2024, 2020)
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7 Marks Low Priority Asked: 2023
Explain solar radiation on tilted surfaces
Appeared 1x (2023)
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7 Marks Low Priority Asked: 2023
Explain classification of solar collectors and main applications of a solar drier.
Appeared 1x (2023)
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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)
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7 Marks High Priority Asked: 2025, 2024, 2023, 2020
Derive the expression for power developed due to wind.
Appeared 4x (2025, 2024, 2023, 2020)
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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)
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7 Marks Medium Priority Asked: 2024, 2020
What is an aerofoil? Explain its types.
Appeared 3x (2024, 2020)
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14 Marks Medium Priority Asked: 2026
Explain the following: (Any Two)
Appeared 1x (2026)
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7 Marks Medium Priority Asked: 2026
Describe the basic principles of wind energy conversion.
Appeared 1x (2026)
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7 Marks Medium Priority Asked: 2026
Discuss various techniques for the measurement and analysis of wind data.
Appeared 1x (2026)
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7 Marks Medium Priority Asked: 2025
Describe the Energy Estimation of Wind Regimes.
Appeared 1x (2025)
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7 Marks Low Priority Asked: 2024, 2020
Explain a wind-diesel hybrid system.
Appeared 2x (2024, 2020)
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7 Marks Low Priority Asked: 2024
Explain WECS and its various types with suitable diagram.
Appeared 1x (2024)
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7 Marks Low Priority Asked: 2023
What is an Aero foil? Explain its types.
Appeared 1x (2023)
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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)
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7 Marks High Priority Asked: 2026, 2024
Classify and explain the different types of biomass gasifiers / biomass gasification.
Appeared 2x (2026, 2024)
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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)
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7 Marks Medium Priority Asked: 2026
Explain the methods used for biomass resource assessment.
Appeared 1x (2026)
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7 Marks Medium Priority Asked: 2024, 2023, 2020
What is Biomass? How it is useful?
Appeared 3x (2024, 2023, 2020)
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7 Marks Medium Priority Asked: 2025
Describe the Various Types of Production of Biomass Energy.
Appeared 1x (2025)
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7 Marks Medium Priority Asked: 2025
Describe the various types of digesters used in biomass energy systems.
Appeared 1x (2025)
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7 Marks Low Priority Asked: 2024, 2020
Explain the biochemical conversion process of biomass.
Appeared 2x (2024, 2020)
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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)
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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)
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7 Marks High Priority Asked: 2026, 2024
Explain the principle of tidal energy conversion system with suitable diagram.
Appeared 2x (2026, 2024)
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7 Marks Medium Priority Asked: 2024, 2023, 2020
Differentiate between micro, mini and small hydro systems.
Appeared 3x (2024, 2023, 2020)
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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)
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7 Marks Medium Priority Asked: 2025
Define the Various Types of Turbines and Explain Any One with Suitable Diagram.
Appeared 1x (2025)
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7 Marks Medium Priority Asked: 2025
Describe the various types of tariffs in electricity.
Appeared 1x (2025)
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7 Marks Low Priority Asked: 2024
Explain the main components of a small hydropower system.
Appeared 1x (2024)
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4 Marks Low Priority Asked: 2023
Define significant wave height for irregular sea waves.
Appeared 1x (2023)
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7 Marks High Priority Asked: 2026, 2024
Explain the site selection criteria for a geothermal power plant.
Appeared 2x (2026, 2024)
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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)
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7 Marks Medium Priority Asked: 2025
Describe the process of electricity generation from geothermal energy resources.
Appeared 1x (2025)
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7 Marks Medium Priority Asked: 2025
Explain the thermodynamic principles underlying geothermal energy conversion.
Appeared 1x (2025)
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7 Marks Low Priority Asked: 2024, 2020
What are the different types of geothermal deposits?
Appeared 2x (2024, 2020)
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7 Marks Low Priority Asked: 2024
Explain the environmental benefits of geothermal energy production.
Appeared 1x (2024)
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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)
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14 Marks Medium Priority Asked: 2025
Write the short notes on the following.
Appeared 1x (2025)
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14 Marks Low Priority Asked: 2024
Write short notes on any two:
Appeared 1x (2024)
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14 Marks Low Priority Asked: 2024
Write short notes on the Following.
Appeared 1x (2024)
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7 Marks Low Priority Asked: 2024
Classify the renewable energy sources.
Appeared 1x (2024)
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7 Marks Low Priority Asked: 2022
What is Renewable Energy?
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
Explain the need of Renewable Energy.
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
Classify the renewable energy sources.
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
What is energy storage management?
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
Explain the effect of use of fossil fuel on Climate change and Global warming.
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
Write and explain sensible heat and latent heat.
Appeared 1x (2022)
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7 Marks Low Priority Asked: 2022
What is green house effect?
Appeared 1x (2022)
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