ME-604 (C) RGPV B.Tech
Renewable Energy Technology (RET)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
6 papers, latest Jun 2026
- ME-604 (C) paper, Jun 2026
- ME-604 (C) paper, Jun 2025
- ME-604 (C) paper, Dec 2024
- ME-604 (C) paper, May 2024
- ME-604 (C) paper, May 2023
- ME-604 (C) paper, May 2022
Syllabus, notes and important questions for ME-604 (C)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Solar Radiation 13 topics
- Extra-terrestrial and terrestrial solar radiation
- Solar radiation measuring instruments and prediction methods
- Solar thermal conversion basics
- Flat plate collectors: liquid and air types
- Theory of flat plate collectors and selective coating
- Advanced flat plate collectors and concentrators
- Optical design of solar concentrators
- Solar water heating systems
- Solar dryers, solar stills, solar cooling and refrigeration
- Solar photovoltaic principles
- Photovoltaic device fabrication technologies
- Applications of solar cells in PV generation systems
- Organic photovoltaic cells
Unit 2 Wind Energy 10 topics
- Wind speed distribution metrology and statistics
- Weibull, Rayleigh, and Normal distributions for wind speed
- Measurement of wind data
- Energy estimation of wind regimes
- Wind energy conversion principles
- Types and classification of wind energy conversion systems (WECS)
- Power, torque, and speed characteristics of wind turbines
- Power curve of wind turbine and capacity factor
- Matching wind turbine with wind regimes
- Applications of wind energy
Unit 3 Production of Biomass 10 topics
- Photosynthesis pathways (C3 & C4) and biomass production
- Biomass resource assessment and CO\textsubscript{2} fixation potential
- Classification of biomass
- Physicochemical characteristics of biomass as fuel
- Biomass conversion routes: biochemical, chemical, thermochemical
- Biochemical conversion: anaerobic digestion and biogas production mechanism
- Types of digesters and design of biogas plants
- Operation and maintenance of biogas plants, manure utilization
- Biomass gasification: types and power generation
- Cost‑benefit analysis of power generation by gasification
Unit 4 Small Hydropower Systems 10 topics
- Overview of micro, mini, and small hydro systems
- Hydrology and turbine elements
- Assessment and design criteria of hydro power
- Site selection and civil works for hydro projects
- Speed and voltage regulation of hydro generators
- Investment issues, load management, and tariff collection
- Distribution and marketing of hydro power
- Ocean energy resources and routes
- Ocean thermal energy conversion (OTEC) systems and principles
- Ocean wave energy and tidal energy conversion principles
Unit 5 Geothermal Energy 5 topics
- Origin and types of geothermal energy deposits
- Site selection for geothermal power plants
- Hydrogen as an energy source, production and storage
- Fuel cell types and subsystems
- Principles of fuel cell operation and basic thermodynamics
Exam insights
Counted from 6 past ME-604 (C) papers.
Marks asked per paper, by unit
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Unit 1 Solar Radiation 33 marks
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Unit 2 Wind Energy 19 marks
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Unit 3 Production of biomass 13 marks
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Unit 4 Small Hydropower Systems 20 marks
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Unit 5 Geothermal Energy 10 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Explain the principle and working of an Ocean Thermal Energy Conversion (OTEC) system with a neat diagram.
Asked 5 times: 2026, 2024, 2023, 2020
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Derive the expression for power developed due to wind.
Asked 4 times: 2025, 2024, 2023, 2020
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Explain how solar radiation is measured, including instruments and methods
Asked 4 times: 2024, 2023, 2020