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 renewable energy source is the most widely used worldwide?
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Solar
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Wind
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Hydropower
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Geothermal
C
Correct answer
Explanation
Hydropower is the most widely used renewable energy source globally, accounting for about 54% of total renewable electricity generation.
Which renewable energy technology converts sunlight directly into electricity?
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Solar thermal
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Solar photovoltaic (PV)
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Wind turbine
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Hydroelectric dam
B
Correct answer
Explanation
Solar photovoltaic (PV) technology uses semiconductor cells to convert sunlight directly into electricity without the need for heat or moving parts.
What is the term used to describe the process of generating electricity from wind energy?
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Solar radiation
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Wind power
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Hydroelectricity
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Geothermal energy
B
Correct answer
Explanation
Wind power refers to the process of generating electricity from the kinetic energy of moving air using wind turbines.
Which renewable energy source relies on the natural flow of water to generate electricity?
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Solar
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Wind
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Hydropower
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Biomass
C
Correct answer
Explanation
Hydropower harnesses the energy of flowing water to generate electricity through hydroelectric dams or turbines.
Which renewable energy technology involves burning organic materials to produce electricity?
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Solar thermal
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Wind turbine
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Biomass
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Geothermal
C
Correct answer
Explanation
Biomass technology involves burning organic materials, such as wood, agricultural waste, or animal manure, to produce electricity through a process called biomass combustion.
What is the term used to describe the process of generating electricity from the heat of the Earth?
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Solar radiation
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Wind power
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Hydroelectricity
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Geothermal energy
D
Correct answer
Explanation
Geothermal energy refers to the process of generating electricity from the heat of the Earth's interior using geothermal power plants.
Which renewable energy source involves capturing and storing carbon dioxide from the atmosphere?
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Solar
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Wind
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Hydropower
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Carbon capture and storage (CCS)
D
Correct answer
Explanation
Carbon capture and storage (CCS) technology involves capturing carbon dioxide from industrial processes or the atmosphere and storing it underground to reduce greenhouse gas emissions.
Which renewable energy technology converts the kinetic energy of moving water into electricity?
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Solar thermal
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Wind turbine
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Hydroelectric turbine
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Geothermal
C
Correct answer
Explanation
Hydroelectric turbines convert the kinetic energy of moving water into electricity through a process called hydropower.
What is the term used to describe the process of generating electricity from the temperature difference between the ocean's surface and deep water?
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Solar radiation
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Wind power
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Ocean thermal energy conversion (OTEC)
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Geothermal energy
C
Correct answer
Explanation
Ocean thermal energy conversion (OTEC) technology involves generating electricity from the temperature difference between the warm surface waters of the ocean and the cold deep waters.
Which renewable energy source involves harnessing the energy of tides to generate electricity?
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Solar
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Wind
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Tidal energy
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Geothermal
C
Correct answer
Explanation
Tidal energy technology harnesses the energy of tides to generate electricity through tidal turbines or barrages.
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The maximum theoretical efficiency of a wind turbine
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The minimum wind speed required for a wind turbine to operate
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The maximum power output of a wind turbine
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The ratio of the power output of a wind turbine to the power in the wind
A
Correct answer
Explanation
The Betz limit is the maximum theoretical efficiency that a wind turbine can achieve, and it is approximately 59.3%.
Which of the following is NOT a major source of energy for transportation?
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Fossil fuels
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Nuclear energy
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Renewable energy
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Hydroelectricity
D
Correct answer
Explanation
Hydroelectricity is a major source of energy for electricity generation, but it is not commonly used for transportation.
Which of the following is an example of a renewable energy source that can be used for transportation?
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Solar energy
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Wind energy
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Geothermal energy
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All of the above
D
Correct answer
Explanation
Solar energy, wind energy, and geothermal energy can all be used to generate electricity, which can then be used to power electric vehicles.
Which of the following is NOT a type of transportation system that uses fossil fuels as its primary energy source?
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Gasoline vehicles
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Diesel vehicles
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Hybrid vehicles
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Electric vehicles
D
Correct answer
Explanation
Electric vehicles do not use fossil fuels as their primary energy source, they rely on electricity stored in batteries.
Which of the following is NOT a type of transportation system that uses human power as its primary energy source?
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Walking
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Cycling
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Horseback riding
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Electric vehicles
D
Correct answer
Explanation
Electric vehicles do not use human power as their primary energy source, they rely on electricity stored in batteries.