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
What are some renewable energy sources that can replace fossil fuels?
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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 renewable energy sources that can be used to replace fossil fuels. They do not produce greenhouse gases and are becoming increasingly cost-effective.
Which of the following is an example of a renewable energy source?
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Coal
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Natural gas
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Solar power
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Nuclear energy
C
Correct answer
Explanation
Solar power is a renewable energy source that harnesses the energy from sunlight to generate electricity. It does not produce greenhouse gases and is considered a clean and sustainable alternative to fossil fuels.
Which of the following is an example of a non-renewable resource?
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Solar energy
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Wind energy
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Fossil fuels
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Hydropower
C
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are non-renewable resources formed from the remains of ancient plants and animals over millions of years.
What are some of the alternative energy sources to fossil fuels?
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Solar energy
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Wind energy
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Hydropower
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Nuclear energy
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Geothermal energy
Correct answer
Explanation
Alternative energy sources to fossil fuels include solar energy, which harnesses the sun's energy through photovoltaic cells, wind energy, which converts the kinetic energy of wind into electricity, hydropower, which utilizes the energy of flowing water, nuclear energy, which generates electricity from nuclear reactions, and geothermal energy, which taps into the Earth's heat.
Which of the following is NOT a renewable resource?
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Solar energy
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Wind energy
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Fossil fuels
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Hydropower
C
Correct answer
Explanation
Fossil fuels, such as coal, oil, and natural gas, are formed from the remains of ancient plants and animals and take millions of years to replenish, making them non-renewable.
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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Nuclear energy
D
Correct answer
Explanation
Nuclear energy is not considered a renewable energy source as it relies on uranium, a finite resource, to generate electricity.
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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Geothermal energy
D
Correct answer
Explanation
Geothermal energy, while sustainable, is not considered a renewable energy source as it relies on the heat from the Earth's interior, which is a finite resource.
Which of the following is not a major source of energy in the United States?
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Coal
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Natural gas
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Petroleum
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Nuclear power
D
Correct answer
Explanation
Nuclear power is not a major source of energy in the United States, accounting for only about 10% of the nation's electricity generation.
What is the most common type of renewable energy in the United States?
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Solar power
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Wind power
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Hydropower
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Geothermal power
C
Correct answer
Explanation
Hydropower is the most common type of renewable energy in the United States, accounting for about 6% of the nation's electricity generation.
What are the three main types of wind turbines?
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Horizontal axis wind turbines (HAWTs)
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Vertical axis wind turbines (VAWTs)
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Cross-flow wind turbines
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Darrieus wind turbines
Correct answer
Explanation
The three main types of wind turbines are horizontal axis wind turbines (HAWTs), vertical axis wind turbines (VAWTs), and cross-flow wind turbines.
Which type of wind turbine is most commonly used?
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Horizontal axis wind turbines (HAWTs)
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Vertical axis wind turbines (VAWTs)
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Cross-flow wind turbines
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Darrieus wind turbines
A
Correct answer
Explanation
Horizontal axis wind turbines (HAWTs) are the most commonly used type of wind turbine, accounting for over 90% of the global installed wind power capacity.
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The maximum theoretical 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 at which a wind turbine can operate
A
Correct answer
Explanation
The Betz limit is the maximum theoretical efficiency of a wind turbine, which is approximately 59.3%.
What is the main component of a wind turbine that converts wind energy into mechanical energy?
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Rotor blades
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Nacelle
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Tower
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Generator
A
Correct answer
Explanation
The rotor blades of a wind turbine are the main components that convert wind energy into mechanical energy.
Which of the following is an example of a renewable feedstock used in industrial biotechnology for the production of chemicals and materials?
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Corn
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Soybean
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Sugarcane
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All of the above
D
Correct answer
Explanation
Renewable feedstocks, such as corn, soybean, and sugarcane, are plant-based materials that can be sustainably cultivated and utilized in industrial biotechnology processes.
Which wildlife species is most commonly affected by wind turbines?
B
Correct answer
Explanation
Birds, especially migratory species, are susceptible to collision with wind turbines.