Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech III NON CONVENTIONAL ENERGY SOURCES Previous Question Paper (August/September - 2024 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
What is the primary criterion for assessing the potential of NCES?
Answer
The primary criterion for assessing the potential of Non-Conventional Energy Sources (NCES) is the energy density and the availability/reliability of the resource at a specific location over time.
List two types of solar energy technologies.
Answer
- Solar Photovoltaic (SPV) technology, which converts sunlight directly into electricity.
- Solar Thermal technology, which uses solar collectors to convert sunlight into heat for water heating or power generation.
Define solar radiation data and its importance.
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What is the function of a flat plate collector in solar energy conversion?
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State the working principle of Induction Generator.
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What is the angle of attack in wind energy systems?
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Define geothermal resources.
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What is pyrolysis in the context of biomass?
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State the principle of wave power generation.
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Explain the basic principle behind OTEC (Ocean Thermal Energy Conversion).
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Part B
Discuss the potential and challenges of geothermal energy as a non-conventional energy source.
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Explain how biomass energy is produced and its advantages and disadvantages.
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Compare the efficiency and sustainability of solar energy versus geothermal energy.
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Discuss the environmental and economic benefits of using biomass as a renewable energy source.
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Explain the process of solar energy conversion into heat using flat plate collectors.
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Explain the Brayton cycle and its relevance to solar energy conversion.
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Discuss the mathematical analysis of flat plate collectors and how collector efficiency is determined.
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Explain the design and working of PV systems for residential applications.
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Describe the general formula for wind energy conversion and its components.
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Explain the principles of lift and drag and their significance in wind energy systems.
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Describe the various types of windmill rotors and their applications.
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Discuss the advancements in induction type generators and their impact on wind energy conversion.
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Describe the nature of geothermal sources and their classification.
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Compare atmospheric exhaust turbines with condensing turbines in terms of efficiency and application.
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Explain the utilization of geothermal energy for electric generation and direct heating.
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Describe the process of biomass gasification and its advantages for energy production.
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Discuss the principles of tidal power generation and its operational mechanisms.
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Explain the environmental impacts of OTEC systems and how they can be mitigated?
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Explain the current status and advancements in multiple product OTEC systems.
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Discuss the potential for OTEC systems to contribute to sustainable energy solutions in coastal regions.
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