JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III RENEWABLE ENERGY SOURCES Previous Question Paper (January/February - 2023 - R16)
Note: Part A is compulsory (25 Marks). In Part B, answer any one question from each unit (10 Marks each).
Part A
What is the current target for renewable energy in India?
Answer
India has set an ambitious target to achieve 500 GW of non-fossil fuel-based energy capacity by the year 2030. This is a critical component of the nation's commitment to achieving net-zero emissions by 2070.
Show opportunities in transitioning to a sustainable energy.
Answer
- Energy Security: Reducing dependence on imported fossil fuels and enhancing domestic energy self-reliance.
- Economic Growth: Creation of new employment opportunities in manufacturing, installation, and maintenance of renewable infrastructure.
- Environmental Sustainability: Significant reduction in greenhouse gas emissions and pollution, mitigating the impacts of climate change.
- Technological Innovation: Encouraging research and development in energy storage, smart grids, and high-efficiency conversion technologies.
List out applications of solar energy system.
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Explain solar radiation.
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What is Betz limit?
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Explain why horizontal axis wind turbines are preferred over vertical axis wind turbines.
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What is anaerobic digestion?
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Compare biogas and bio diesel production.
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What are the challenges of micro hydro systems?
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Classify various types of geothermal power plants.
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Unit I
Identify need and development of renewable energy sources in India.
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Estimate CO2 reduction potential of renewable energy.
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Analyze global and Indian energy scenario.
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Recommend renewable electricity with key elements.
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Unit II
Solve solar constant in terrestrial and extra-terrestrial solar radiation.
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Explain the principle of operation of solar thermal conversion device and its storage.
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Analyze solar energy availability in India.
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Explain the principle of solar photovoltaic power generation.
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Unit III
Identify wind energy potential and its illustration in India.
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Formulate economics and demand side management of wind energy.
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List out classification of wind and its characteristics.
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Discuss the safety and environmental aspects of wind energy.
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Unit IV
Explain biomass conversion processes.
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Discuss the Urban waste to energy conversion process.
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Classify biomass resources.
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Appraise biomass gasification with an example.
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Unit V
Identify types of turbines for small hydro power plants.
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Discuss the source of tidal energy, tidal range required in a tidal plant.
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Draw the line diagram and explain the working of hybrid OTEC cycle.
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Compare hot springs and steam ejection.
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