Environmental Studies ยท Science General
Energy Resources and Storage
3,051 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 an example of a green technology?
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Solar panels
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Wind turbines
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Electric vehicles
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All of the above
D
Correct answer
Explanation
Solar panels, wind turbines, and electric vehicles are all examples of green technologies that promote sustainability and reduce environmental impact.
Which of the following is an example of a renewable energy source that can help reduce carbon emissions and promote biodiversity?
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Nuclear power
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Coal power
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Natural gas power
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Solar power
D
Correct answer
Explanation
Solar power is a renewable energy source that generates electricity from the sun's energy. It does not emit greenhouse gases during electricity generation and can contribute to reducing carbon emissions. Additionally, solar farms can provide habitat for wildlife and promote biodiversity.
Which of the following is an example of a non-renewable energy source that contributes to carbon emissions?
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Hydropower
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Wind power
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Geothermal energy
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Fossil fuels
D
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are non-renewable energy sources that release carbon dioxide and other greenhouse gases when burned. The use of fossil fuels contributes significantly to carbon emissions and climate change.
What is the primary source of electricity generation worldwide?
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Fossil Fuels (Coal, Oil, Natural Gas)
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Renewable Energy Sources (Solar, Wind, Hydro)
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Nuclear Power
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Geothermal Energy
A
Correct answer
Explanation
Fossil Fuels (Coal, Oil, Natural Gas) are the primary source of electricity generation worldwide, accounting for approximately 64% of total electricity production.
Which renewable energy source has experienced the most rapid growth in recent years?
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Solar Photovoltaics (PV)
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Wind Energy
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Hydropower
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Geothermal Energy
A
Correct answer
Explanation
Solar Photovoltaics (PV) has experienced the most rapid growth in recent years, with a global installed capacity of over 600 gigawatts (GW) in 2020.
Which technology is considered a promising option for storing large amounts of renewable energy?
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Pumped Hydro Storage
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Batteries
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Compressed Air Energy Storage
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Flywheel Energy Storage
A
Correct answer
Explanation
Pumped Hydro Storage is considered a promising option for storing large amounts of renewable energy, as it involves pumping water uphill when there is excess electricity and releasing it downhill through a turbine to generate electricity when needed.
What is the primary source of energy for hydropower?
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Wind
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Sunlight
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Water
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Fossil fuels
C
Correct answer
Explanation
Hydropower harnesses the energy of flowing or falling water to generate electricity.
Which of the following is NOT a type of hydropower plant?
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Run-of-the-river
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Pumped-storage
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Tidal
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Geothermal
D
Correct answer
Explanation
Geothermal power plants utilize heat from the Earth's interior, not water, to generate electricity.
Which type of hydropower plant uses a reservoir to store water and release it during periods of high demand?
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Run-of-the-river
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Pumped-storage
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Tidal
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Micro-hydro
B
Correct answer
Explanation
Pumped-storage hydropower plants store energy by pumping water uphill during times of low demand and releasing it downhill through turbines during times of high demand.
What is the term for a small-scale hydropower system that typically generates electricity for a single household or community?
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Micro-hydro
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Mini-hydro
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Large-hydro
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Pumped-storage
A
Correct answer
Explanation
Micro-hydro systems utilize small streams or flowing water sources to generate electricity on a decentralized scale.
Which type of hydropower plant harnesses the energy of ocean tides to generate electricity?
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Run-of-the-river
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Pumped-storage
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Tidal
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Micro-hydro
C
Correct answer
Explanation
Tidal hydropower plants utilize the rise and fall of ocean tides to generate electricity.
Which component of a hydropower plant converts the kinetic energy of flowing water into mechanical energy?
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Turbine
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Generator
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Reservoir
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Penstock
A
Correct answer
Explanation
Turbines are responsible for converting the kinetic energy of flowing water into mechanical energy.
What is the term for the structure that controls the flow of water into a hydropower plant?
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Turbine
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Generator
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Reservoir
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Penstock
D
Correct answer
Explanation
Penstocks are pipes that control the flow of water into the turbine.
Which type of hydropower plant utilizes a natural waterfall or steep drop in a river to generate electricity?
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Run-of-the-river
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Pumped-storage
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Tidal
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Micro-hydro
A
Correct answer
Explanation
Run-of-the-river hydropower plants utilize the natural flow of a river to generate electricity without the need for a reservoir.
Which component of a hydropower plant converts mechanical energy into electrical energy?
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Turbine
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Generator
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Reservoir
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Penstock
B
Correct answer
Explanation
Generators convert mechanical energy from the turbine into electrical energy.