JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV Year ENERGY SOURCES AND APPLICATIONS Previous Question Paper (September - 2022 - R18)
Answer any five questions. All questions carry equal marks.
Main
What are different energy sources available worldwide? How the different energy sources play a major role in the development of a nation?
Answer
Energy sources are broadly classified into two categories: Conventional (Non-renewable) and Non-conventional (Renewable) energy sources.
Conventional sources include fossil fuels like coal, petroleum, and natural gas, which are finite and carbon-intensive, as well as nuclear energy derived from uranium fission. Non-conventional sources include solar energy, wind energy, hydroelectric power, biomass, geothermal energy, and tidal energy, which are naturally replenished and environmentally sustainable.
The role of these energy sources in the development of a nation is fundamental:
- Industrial Growth: Reliable energy supply is the backbone of manufacturing, heavy industry, and infrastructure development, which drive GDP growth and employment.
- Economic Stability: Access to affordable energy reduces production costs and enhances the global competitiveness of a nation's exports.
- Standard of Living: Energy availability directly correlates with improved healthcare, education, and household electrification, elevating the Human Development Index.
- Energy Security: Diversifying the energy mix by integrating renewable sources reduces dependence on imported fuels, insulating the economy from volatile global energy prices and geopolitical risks.
- Environmental Sustainability: Transitioning toward renewable energy sources mitigates the impacts of climate change, reduces pollution-related health costs, and aligns the nation with global sustainability goals.
In summary, while conventional sources have historically powered industrialization, the shift toward a balanced, sustainable energy portfolio is essential for long-term economic resilience and national development.
How an energy source can influence economy of a country – Discuss.
Answer
Energy is a fundamental driver of economic growth, acting as a critical input for industrial production, transportation, and service sectors. The availability and cost of energy sources influence a nation's economy through several key mechanisms:
- Industrial Productivity: Reliable and affordable energy allows for continuous industrial operations, increasing output and efficiency. Low-cost energy reduces the cost of production, making goods more competitive in international markets.
- Infrastructure Development: Energy enables the construction and operation of essential infrastructure, such as power grids, telecommunications, and transport networks, which are prerequisites for economic expansion.
- Job Creation: The energy sector itself is a significant employer. Furthermore, energy-intensive industries create downstream employment opportunities across the economy.
- Balance of Trade: A country that is energy-independent or an exporter can improve its trade balance. Conversely, heavy reliance on imported energy creates a drain on foreign exchange reserves, making the economy vulnerable to global price volatility.
- Technological Innovation: Access to diverse energy sources fosters research and development, leading to advancements in energy efficiency and the adoption of modern, cleaner technologies that stimulate economic modernization.
What do you think about India’s oil imports? Is it good for India’s development? Justify your answer.
Answer
Sign in to view the complete answer paper.
Write an overview about different energy systems, their transformation and about their efficiency and storage.
Answer
Sign in to view the complete answer paper.
As an energy manager working in India, What kind of renewable energy projects will you suggest to the government and tell about its advantages and disadvantages.
Answer
Sign in to view the complete answer paper.
Explain with examples any one method for storing energy for future use.
Answer
Sign in to view the complete answer paper.
In the Indian context why regeneration of energy is essential?
Answer
Sign in to view the complete answer paper.
Write a detailed note on High Efficiency batteries and tell how energy is stored in that.
Answer
Sign in to view the complete answer paper.
By giving examples for future energy sources, explain in detail about how economic and environmental policy can guide as in choosing an energy source.
Answer
Sign in to view the complete answer paper.
What do you know about LEED ratings? Explain.
Answer
Sign in to view the complete answer paper.
Define Energy Audit and tell about the process of energy audit.
Answer
Sign in to view the complete answer paper.