Environmental Studies ยท Science General
Energy Resources and Storage
2,821 Questions
Energy Resources questions explore conventional and renewable energy sources, including wind, hydropower, and biomass technologies. These concepts are crucial for SSC, UPSC, and state competitive exams. Practice these questions to understand energy generation and storage technologies better.
Renewable energy sourcesWind turbine componentsHydropower plant basicsBiomass energy generationOcean wave technology
Energy Resources and Storage Questions
Which of the following is a renewable source of energy generated from the movement of water?
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Hydropower
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Solar Power
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Wind Power
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Geothermal Power
A
Correct answer
Explanation
Hydropower is a renewable energy source that utilizes the energy of flowing or falling water to generate electricity.
What is the primary mechanism through which hydropower plants generate electricity?
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Photovoltaic Cells
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Wind Turbines
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Steam Turbines
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Hydro Turbines
D
Correct answer
Explanation
Hydropower plants use hydro turbines to convert the kinetic energy of flowing water into mechanical energy, which is then used to generate electricity.
What is the primary purpose of using wind energy?
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To generate electricity
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To power vehicles
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To heat homes
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To desalinate water
A
Correct answer
Explanation
Wind energy is primarily used to generate electricity through wind turbines.
What is the most common type of wind turbine?
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Horizontal axis wind turbine (HAWT)
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Vertical axis wind turbine (VAWT)
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Darrieus wind turbine
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Savonius wind turbine
A
Correct answer
Explanation
Horizontal axis wind turbines are the most commonly used type, with blades that rotate around a horizontal axis.
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The maximum efficiency of a wind turbine
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The maximum power that can be extracted from the wind
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The maximum wind speed at which a wind turbine can operate
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The minimum wind speed required for a wind turbine to operate
A
Correct answer
Explanation
The Betz limit is the theoretical maximum efficiency of a wind turbine, which is approximately 59.3%.
What is the potential of wind energy globally?
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It can meet up to 20% of global electricity demand
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It can meet up to 50% of global electricity demand
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It can meet up to 100% of global electricity demand
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It can meet up to 150% of global electricity demand
C
Correct answer
Explanation
Wind energy has the potential to meet up to 100% of global electricity demand, according to studies.
Which renewable energy technology is expected to contribute the most to India's renewable energy target by 2030?
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Solar Energy
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Wind Energy
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Hydropower
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Biomass Energy
A
Correct answer
Explanation
Solar energy is expected to contribute the most to India's renewable energy target by 2030, with a target of 100 GW of capacity.
Which of the following is NOT a renewable energy source?
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Solar energy
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Wind energy
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Hydropower
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Fossil fuels
D
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are non-renewable energy sources.
Which of the following is a major renewable energy source that India is focusing on for its future energy needs?
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Solar energy
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Wind energy
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Hydropower
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Geothermal energy
Correct answer
Explanation
India is focusing on all of the above renewable energy sources for its future energy needs, as they have significant potential and can contribute to the country's energy security and sustainability.
Which of the following is an example of a renewable feedstock?
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Fossil fuels.
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Biomass.
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Minerals.
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Metals.
B
Correct answer
Explanation
Biomass, derived from plant and animal materials, is a renewable feedstock that can be used to produce fuels, chemicals, and materials.
Which of the following is an example of a green technology?
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Solar energy.
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Wind energy.
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Hydropower.
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All of the above.
D
Correct answer
Explanation
Solar energy, wind energy, and hydropower are all examples of green technologies due to their renewable nature and minimal environmental impact.
What is the primary source of energy for most countries?
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Fossil fuels
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Renewable energy
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Nuclear energy
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Hydropower
A
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are the primary source of energy for most countries due to their abundance and affordability.
Which renewable energy source is experiencing the fastest growth globally?
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Solar energy
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Wind energy
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Hydropower
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Geothermal energy
A
Correct answer
Explanation
Solar energy is experiencing the fastest growth globally due to its decreasing costs, increasing efficiency, and government incentives.
What is the primary source of energy for most of the world's population?
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Solar
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Wind
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Fossil Fuels
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Hydroelectric
C
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are the primary source of energy for most of the world's population. They are used to generate electricity, power vehicles, and heat homes and businesses.
Which renewable energy source has the highest potential for large-scale electricity generation?
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Solar
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Wind
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Hydroelectric
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Geothermal
A
Correct answer
Explanation
Solar energy has the highest potential for large-scale electricity generation due to its abundance and the continuous availability of sunlight. Solar panels can be installed on rooftops, in fields, and even on water bodies to harness solar energy.