EX-503 (A) RGPV B.Tech
Electrical Power Generation & Economy (EPGE)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
5 papers, latest Dec 2025
- EX-503 (A) paper, Dec 2025
- EX-503 (A) paper, Jun 2025
- EX-503 (A) paper, Dec 2024
- EX-503 (A) paper, Nov 2023
- EX-503 (A) paper, Nov 2022
Syllabus, notes and important questions for EX-503 (A)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Introduction and Hydro‑Electric Power Plants 4 topics
- Energy sources and their availability
- Principal types of power plants, their special features, applications, present status and future trends
- Hydro‑electric power plants: essentials, classifications, hydro‑electric survey, rainfall‑run‑off, hydrograph, flow‑duration curve, mass curve, storage capacity, site selection, plant layout, components
- Types of turbines, governor and speed regulation, pumped storage, small‑scale hydro plants (mini and micro)
Unit 2 Thermal Power Plant 5 topics
- General developing trends and essentials of thermal power plants
- Plant layout and major components
- Coal handling: storage, preparation, handling, feeding and combustion
- Cooling towers, ash handling, water‑treatment plant
- High‑pressure boilers and steam turbines
Unit 3 Non‑Conventional Power Generation 6 topics
- Geothermal power plants
- Electricity from biomass
- Direct energy conversion systems: solar and wind
- Thermo‑electric conversion systems
- Fuel cells
- Magneto‑hydro‑dynamic systems
Unit 4 Gas Turbine and Nuclear Power Plants 2 topics
- Gas turbine power plants: field of use, components, plant layout, comparison with steam power plants, combined steam‑gas cycles
- Nuclear power plants: nuclear fuels, nuclear energy, main components, reactor types and applications, radiation shielding, radioactive waste disposal and safety aspects
Unit 5 Power Plant Economics 6 topics
- Cost of electrical energy
- Selection of generation type and equipment
- Performance and operating characteristics of power plants
- Economic scheduling principles and load curves
- Effect of load on power‑plant design, load forecasting
- Electric tariffs and peak‑load pricing
Exam insights
Counted from 5 past EX-503 (A) papers.
Marks asked per paper, by unit
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Unit 1 Introduction & Hydro Electric Power Plants 25 marks
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Unit 2 Thermal Power Plant 15 marks
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Unit 3 Non-Conventional Power Generation 18 marks
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Unit 4 Gas Turbine and Nuclear Power Plants 21 marks
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Unit 5 Power Plant Economics 31 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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Draw a typical layout/diagram of a steam (thermal) power plant and explain its main features/operation.
Asked 5 times: 2025, 2023, 2022, 2020
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What are the factors / considerations for selection of site / location for a hydroelectric power plant?
Asked 4 times: 2025, 2023, 2022, 2020
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Explain how wind energy is converted into electrical energy with diagram
Asked 4 times: 2024, 2023, 2022, 2020