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 of the following is an example of a renewable energy source?
-
Fossil fuels
-
Solar energy
-
Nuclear energy
-
Natural gas
B
Correct answer
Explanation
Solar energy is a renewable energy source that harnesses the power of the sun to generate electricity or heat.
Which of the following is an example of a non-renewable energy source?
-
Wind energy
-
Hydropower
-
Fossil fuels
-
Biomass energy
C
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 of the following is NOT a renewable energy source?
-
Solar energy
-
Wind energy
-
Hydropower
-
Natural gas
D
Correct answer
Explanation
Natural gas is a fossil fuel, which is not a renewable energy source.
Which of the following is NOT a renewable energy source?
-
Solar energy
-
Wind energy
-
Hydropower
-
Nuclear energy
D
Correct answer
Explanation
Nuclear energy is not a renewable energy source because it relies on the use of uranium, which is a finite resource.
Which of the following is NOT a renewable energy source?
-
Solar energy
-
Wind energy
-
Hydropower
-
Geothermal energy
D
Correct answer
Explanation
Geothermal energy is not a renewable energy source because it relies on the use of heat from the Earth's interior, which is a finite resource.
Which renewable energy source is often considered the most environmentally friendly?
-
Solar energy
-
Wind energy
-
Hydropower
-
Geothermal energy
A
Correct answer
Explanation
Solar energy is often considered the most environmentally friendly renewable energy source because it does not produce greenhouse gases or other pollutants during electricity generation.
Which of the following is NOT a renewable energy source?
-
Solar energy
-
Wind energy
-
Hydropower
-
Natural gas
D
Correct answer
Explanation
Natural gas is a fossil fuel and therefore not a renewable energy source. Renewable energy sources are those that can be replenished naturally on a human timescale, such as solar, wind, and hydropower.
Which type of turbine is commonly used in low-head hydropower systems?
-
Pelton turbine
-
Francis turbine
-
Kaplan turbine
-
Cross-flow turbine
C
Correct answer
Explanation
Kaplan turbines are well-suited for low-head hydropower systems due to their ability to operate efficiently at low water velocities.
Which factor is most critical in determining the power output of a hydropower system?
-
Water flow rate
-
Dam height
-
Turbine efficiency
-
Reservoir size
A
Correct answer
Explanation
The power output of a hydropower system is primarily determined by the volume of water flowing through the turbine per unit time, known as the water flow rate.
What is the term used to describe the process of converting the kinetic energy of flowing water into mechanical energy?
-
Hydrolysis
-
Hydropower
-
Hydrostatics
-
Hydrodynamics
B
Correct answer
Explanation
Hydropower refers to the process of harnessing the energy of flowing water to generate electricity.
Which type of turbine is suitable for high-head hydropower systems?
-
Pelton turbine
-
Francis turbine
-
Kaplan turbine
-
Cross-flow turbine
A
Correct answer
Explanation
Pelton turbines are designed to operate efficiently in high-head hydropower systems, where water is released from a high elevation and directed through a series of nozzles to strike the turbine blades.
Which type of turbine is suitable for medium-head hydropower systems?
-
Pelton turbine
-
Francis turbine
-
Kaplan turbine
-
Cross-flow turbine
B
Correct answer
Explanation
Francis turbines are well-suited for medium-head hydropower systems, where water is released from a moderate elevation and directed through a spiral casing to strike the turbine blades.
Which type of turbine is suitable for very low-head hydropower systems?
-
Pelton turbine
-
Francis turbine
-
Kaplan turbine
-
Cross-flow turbine
D
Correct answer
Explanation
Cross-flow turbines are well-suited for very low-head hydropower systems, where water flows through the turbine blades in a crosswise direction, making them efficient in low-velocity water conditions.
Which of the following is a renewable energy source?
-
Coal
-
Natural gas
-
Solar energy
-
Nuclear energy
C
Correct answer
Explanation
Solar energy is a renewable energy source because it comes from the sun, which is a constantly replenished source of energy.
Which of the following is NOT a non-renewable energy source?
-
Wind energy
-
Hydropower
-
Geothermal energy
-
Fossil fuels
A
Correct answer
Explanation
Wind energy is a renewable energy source because it comes from the wind, which is a constantly replenished source of energy. The other options are all non-renewable energy sources because they come from finite resources that will eventually run out.