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
What is the role of hydropower in the global energy mix?
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Major
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Minor
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Negligible
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Unknown
A
Correct answer
Explanation
Hydropower is a major source of renewable energy, accounting for about 16% of the world's electricity generation.
What are the main types of hydropower plants?
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Run-of-the-river
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Impoundment
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Pumped-storage
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Tidal
Correct answer
Explanation
The main types of hydropower plants are run-of-the-river, impoundment, pumped-storage, and tidal.
What is the difference between a pumped-storage hydropower plant and a tidal hydropower plant?
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Pumped-storage plants use a reservoir, while tidal plants use the tides.
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Pumped-storage plants are more efficient, while tidal plants are more reliable.
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Pumped-storage plants are smaller, while tidal plants are larger.
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All of the above
D
Correct answer
Explanation
Pumped-storage hydropower plants use a reservoir, while tidal plants use the tides. Pumped-storage plants are more efficient, while tidal plants are more reliable. Pumped-storage plants are smaller, while tidal plants are larger.
What are the main advantages of hydropower?
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Renewable energy source
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Reliable energy source
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Cost-effective energy source
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All of the above
D
Correct answer
Explanation
Hydropower is a renewable energy source, a reliable energy source, and a cost-effective energy source.
Which technology has contributed to the reduction of greenhouse gas emissions in the energy sector?
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Nuclear power plants
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Wind turbines
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Solar panels
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Hydroelectric dams
B
Correct answer
Explanation
Wind turbines harness the power of wind to generate electricity without emitting greenhouse gases.
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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Natural gas
D
Correct answer
Explanation
Natural gas is a fossil fuel and is not a renewable energy source.
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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Natural gas
D
Correct answer
Explanation
Natural gas is a fossil fuel and is not a renewable energy source.
What is the acronym DOE used for in hydropower plants?
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Department of Energy
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Department of Electricity
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Department of Energy and Environment
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Department of Energy and Resources
A
Correct answer
Explanation
DOE stands for Department of Energy, a U.S. government agency responsible for energy policy and research.
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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Natural gas.
D
Correct answer
Explanation
Natural gas is a fossil fuel and a non-renewable energy source, as it is formed from the remains of ancient plants and animals over millions of years.
What is the primary source of energy for wind turbines?
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Solar radiation
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Wind
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Geothermal heat
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Hydropower
B
Correct answer
Explanation
Wind turbines harness the kinetic energy of moving air to generate electricity.
What is the term used to describe the intermittent and unpredictable nature of wind power generation?
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Wind variability
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Wind intermittency
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Wind uncertainty
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Wind fluctuation
B
Correct answer
Explanation
Wind intermittency refers to the variability and unpredictability of wind power generation, which can pose challenges for grid stability and reliability.
What is the term used to describe the technology that allows wind turbines to generate electricity at low wind speeds?
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Variable-speed wind turbines
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Direct-drive wind turbines
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Pitch-regulated wind turbines
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Stall-regulated wind turbines
A
Correct answer
Explanation
Variable-speed wind turbines are designed to operate at a range of wind speeds, including low wind speeds, by adjusting the speed of the rotor.
What is the term used to describe the noise produced by wind turbines?
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Wind turbine noise
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Wind turbine sound
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Wind turbine acoustics
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Wind turbine emissions
A
Correct answer
Explanation
Wind turbine noise refers to the sound produced by wind turbines during operation.
What is the term used to describe the technology that allows wind turbines to be connected to the electric grid?
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Wind turbine grid connection
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Wind turbine interconnection
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Wind turbine integration
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Wind turbine transmission
A
Correct answer
Explanation
Wind turbine grid connection refers to the technology and infrastructure used to connect wind turbines to the electric grid.
Which of the following is NOT a fossil fuel?
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Coal
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Natural Gas
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Wind
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Oil
C
Correct answer
Explanation
Wind is a renewable energy source, while coal, natural gas, and oil are all fossil fuels.