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 type of turbine is commonly used in high-head hydropower plants?
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Pelton turbine
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Francis turbine
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Kaplan turbine
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Cross-flow turbine
A
Correct answer
Explanation
Pelton turbines are commonly used in high-head hydropower plants because they are efficient and can handle large variations in water flow rate. They are also relatively easy to maintain and operate.
Which type of turbine is commonly used in low-head hydropower plants?
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Pelton turbine
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Francis turbine
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Kaplan turbine
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Cross-flow turbine
C
Correct answer
Explanation
Kaplan turbines are commonly used in low-head hydropower plants because they are efficient and can operate at a wide range of water flow rates. They are also relatively inexpensive to install and maintain.
What is the levelized cost of energy (LCOE) for a hydropower plant?
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The total cost of generating electricity over the lifetime of the plant divided by the total amount of electricity generated
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The cost of constructing the plant divided by the total amount of electricity generated
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The cost of operating and maintaining the plant divided by the total amount of electricity generated
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The cost of decommissioning the plant divided by the total amount of electricity generated
A
Correct answer
Explanation
The levelized cost of energy (LCOE) for a hydropower plant is the total cost of generating electricity over the lifetime of the plant divided by the total amount of electricity generated. This includes the cost of constructing the plant, operating and maintaining the plant, and decommissioning the plant.
Which of the following is NOT a type of renewable energy source?
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Solar energy
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Wind energy
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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 formed from the remains of ancient plants and animals.
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 non-renewable resources because they are formed from the remains of ancient plants and animals over millions of years.
What is the purpose of a spillway in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
B
Correct answer
Explanation
The purpose of a spillway in a hydropower plant is to control water flow and prevent flooding by releasing excess water from the reservoir.
What is the function of a turbine in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
A
Correct answer
Explanation
The function of a turbine in a hydropower plant is to convert the kinetic energy of flowing water into mechanical energy, which is then used to generate electricity.
What is the most common type of turbine used in hydropower plants?
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Pelton turbine
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Francis turbine
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Kaplan turbine
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Cross-flow turbine
B
Correct answer
Explanation
The Francis turbine is the most common type of turbine used in hydropower plants due to its high efficiency and ability to operate under a wide range of water flow conditions.
What is the purpose of a penstock in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
B
Correct answer
Explanation
The purpose of a penstock in a hydropower plant is to control water flow and direct it towards the turbine.
What is the function of a governor in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
B
Correct answer
Explanation
The function of a governor in a hydropower plant is to control water flow and maintain a constant speed of the turbine.
What is the function of a tailrace in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
Correct answer
Explanation
The function of a tailrace in a hydropower plant is to discharge water from the turbine back into the river or other water body.
What is the function of a maintenance program in a hydropower plant?
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To generate electricity
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To control water flow
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To provide a recreational area
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To store water for irrigation
Correct answer
Explanation
The function of a maintenance program in a hydropower plant is to ensure the safe and efficient operation of the plant by identifying and repairing potential problems before they occur.
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 not a renewable energy source, unlike solar, wind, and hydropower.
What is the term used to describe the process of generating energy from renewable sources?
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Energy conservation
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Energy efficiency
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Renewable energy
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Sustainable energy
C
Correct answer
Explanation
Renewable energy refers to energy generated from sources that are naturally replenished, such as solar, wind, and hydropower.
Which of the following is NOT an example of a renewable energy technology?
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Solar panels
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Wind turbines
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Hydroelectric dams
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Nuclear power plants
D
Correct answer
Explanation
Nuclear power plants do not use renewable energy sources, as they rely on uranium, which is a finite resource.