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 renewable energy technology involves the conversion of tidal energy into electricity?
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Solar Photovoltaic (PV) Systems
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Wind Turbines
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Hydroelectric Dams
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Tidal Turbines
D
Correct answer
Explanation
Tidal turbines are a form of renewable energy technology that harness the energy from tides to generate electricity. These turbines are placed in areas with strong tidal currents, and as the tide flows through the turbines, it causes them to rotate, generating electricity.
Which renewable energy technology utilizes the kinetic energy of flowing water to generate electricity?
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Solar Thermal Energy
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Wind Power Generation
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Hydroelectric Energy
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Geothermal Energy
C
Correct answer
Explanation
Hydroelectric energy is a renewable energy technology that harnesses the kinetic energy of flowing water to generate electricity. Hydroelectric power plants use dams or other structures to control the flow of water, creating a potential energy difference. As the water flows through turbines, it causes them to rotate, generating electricity.
Which renewable energy technology utilizes the temperature difference between the Earth's surface and its interior to generate electricity?
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Solar Thermal Energy
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Wind Power Generation
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Hydroelectric Energy
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Geothermal Energy
D
Correct answer
Explanation
Geothermal energy is a renewable energy technology that utilizes the temperature difference between the Earth's surface and its interior to generate electricity. Geothermal power plants extract hot water or steam from underground reservoirs and use it to drive turbines, generating electricity.
Which renewable energy technology utilizes the energy from ocean waves to generate electricity?
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Solar Thermal Energy
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Wind Power Generation
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Hydroelectric Energy
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Wave Energy
D
Correct answer
Explanation
Wave energy is a renewable energy technology that harnesses the energy from ocean waves to generate electricity. Wave energy converters are placed in areas with strong wave activity, and as the waves pass through or over the converters, they cause them to move, generating electricity.
Which of the following is NOT a renewable energy source?
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Solar
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Wind
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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 as they are formed from the remains of ancient plants and animals over millions of years.
Which technology converts the kinetic energy of the wind into electrical energy?
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Solar panels
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Hydroelectric turbines
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Wind turbines
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Biomass generators
C
Correct answer
Explanation
Wind turbines are designed to capture the kinetic energy of the wind and convert it into electrical energy.
Which energy storage technology is commonly used for grid-scale applications?
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Pumped hydro storage
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Battery storage
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Flywheel energy storage
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Compressed air energy storage
A
Correct answer
Explanation
Pumped hydro storage involves storing energy by pumping water uphill during periods of low demand and releasing it downhill through turbines to generate electricity during periods of high demand.
Which country is a global leader in solar energy production?
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China
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United States
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India
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Germany
A
Correct answer
Explanation
China is the world's largest producer of solar energy, accounting for a significant portion of global solar power generation.
Which of the following is NOT a type of renewable energy certificate (REC)?
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Solar RECs
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Wind RECs
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Hydropower RECs
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Carbon RECs
D
Correct answer
Explanation
Carbon RECs are not a type of renewable energy certificate, as they represent carbon offsets rather than renewable energy generation.
What is the primary source of heat for geothermal energy?
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The sun
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The Earth's core
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Radioactive decay
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Fossil fuels
B
Correct answer
Explanation
The Earth's core is the primary source of heat for geothermal energy. The core is composed of molten iron and nickel, which generates heat through radioactive decay and gravitational compression.
Which type of geothermal power plant uses steam to drive a turbine?
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Dry steam power plant
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Flash steam power plant
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Binary cycle power plant
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Combined cycle power plant
A
Correct answer
Explanation
Dry steam power plants use steam directly from the geothermal reservoir to drive a turbine. The steam is then condensed and returned to the reservoir.
What is the main advantage of geothermal energy over other renewable energy sources?
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It is a reliable source of energy.
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It does not produce greenhouse gases.
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It is a cost-effective source of energy.
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It is a widely available source of energy.
A
Correct answer
Explanation
Geothermal energy is a reliable source of energy because it is not affected by weather conditions. Geothermal power plants can operate 24 hours a day, 7 days a week.
What is the most common type of geothermal power plant?
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Dry steam power plant
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Flash steam power plant
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Binary cycle power plant
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Combined cycle power plant
B
Correct answer
Explanation
Flash steam power plants are the most common type of geothermal power plant. They use hot water from the geothermal reservoir to generate steam, which is then used to drive a turbine.
What is the potential of geothermal energy in the United States?
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It can provide up to 10% of the country's electricity needs.
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It can provide up to 20% of the country's electricity needs.
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It can provide up to 30% of the country's electricity needs.
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It can provide up to 40% of the country's electricity needs.
B
Correct answer
Explanation
The potential of geothermal energy in the United States is estimated to be up to 20% of the country's electricity needs.
What is the main disadvantage of geothermal energy?
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It is a renewable energy source.
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It is a reliable energy source.
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It is a cost-effective energy source.
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It is a widely available energy source.
Correct answer
Explanation
The main disadvantage of geothermal energy is that it is not a widely available energy source. Geothermal resources are only found in certain parts of the world.