Energy Sources Quiz
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Questions and Answers

What defines primary energy?

  • Energy that is converted into electricity before use.
  • Energy obtained directly from natural resources without transformation. (correct)
  • Energy that has undergone processing for usability.
  • Energy derived solely from solar and wind sources.

Which of the following is an example of secondary energy?

  • Electricity (correct)
  • Biomass
  • Natural gas
  • Crude oil

What characteristic distinguishes primary energy sources from secondary energy sources?

  • Primary energy sources are easier to transport than secondary sources.
  • Primary energy sources are extracted directly from nature. (correct)
  • Primary energy sources are only found in renewable forms.
  • Primary energy sources are typically more refined.

Which among the following is NOT considered a primary energy source?

<p>Electricity (A)</p> Signup and view all the answers

Why is secondary energy often more convenient for use than primary energy?

<p>It is refined and suitable for various applications. (C)</p> Signup and view all the answers

How does India's energy intensity compare to that of Japan?

<p>It is 3.7 times Japan's energy intensity. (C)</p> Signup and view all the answers

What is a significant issue with energy pricing in India?

<p>Energy prices are undervalued, leading to inefficiencies. (D)</p> Signup and view all the answers

What has been the effect of deregulating petrol and diesel prices in India?

<p>It has linked prices for many petroleum products to international prices. (B)</p> Signup and view all the answers

What role does the government have in pricing natural gas in India?

<p>The government fixes natural gas prices and allocates it to consumers. (C)</p> Signup and view all the answers

What is one of the key features of the Electricity Act, 2003?

<p>It allows for licence-free generation and distribution in rural areas. (A)</p> Signup and view all the answers

What differentiates primary energy sources from secondary energy sources?

<p>Primary energy sources are found in nature and not produced through conversion. (A)</p> Signup and view all the answers

Which of the following is an example of a non-commercial energy source?

<p>Micro-hydro systems for local communities. (D)</p> Signup and view all the answers

Which energy form is considered to be indirectly generated from solar energy?

<p>Fossil fuels formed from ancient biomass. (B)</p> Signup and view all the answers

Which of the following statements about renewable energy is true?

<p>Renewable energy sources can support both commercial and non-commercial activities. (C)</p> Signup and view all the answers

Which of the following is not a characteristic of commercial energy?

<p>Typically derived from manual labor or small-scale systems. (B)</p> Signup and view all the answers

What is the primary reason that the volume of water on Earth remains essentially fixed?

<p>Water is recycled through the hydrologic cycle. (C)</p> Signup and view all the answers

Which of the following energy sources is classified as commercial energy?

<p>Coal (D)</p> Signup and view all the answers

What characteristic defines renewable energy sources?

<p>They can be replenished naturally over time. (B)</p> Signup and view all the answers

Which of the following statements is true about solar energy?

<p>Solar energy is the most abundant energy resource. (C)</p> Signup and view all the answers

Which energy source is harnessed by using wind turbines?

<p>Wind Energy (B)</p> Signup and view all the answers

What is a primary concern when it comes to hydropower development?

<p>It can negatively impact ecosystems. (A)</p> Signup and view all the answers

Which of the following fuels is considered a non-commercial energy source?

<p>Firewood (A)</p> Signup and view all the answers

What is geothermal energy primarily used for?

<p>Heating or electricity generation (D)</p> Signup and view all the answers

Which energy source commonly provides energy for lifting water for irrigation?

<p>Wind Energy (B)</p> Signup and view all the answers

What is a key advantage of renewable energy sources?

<p>They are sustainable and do not deplete over time. (B)</p> Signup and view all the answers

Which of the following is a primary source of bioenergy?

<p>Wood and charcoal. (C)</p> Signup and view all the answers

What is a major environmental concern connected to bioenergy?

<p>It often leads to deforestation and land-use change. (A)</p> Signup and view all the answers

Which fossil fuel is primarily used for transportation?

<p>Oil (Petroleum). (A)</p> Signup and view all the answers

What is the main component of natural gas?

<p>Methane. (D)</p> Signup and view all the answers

Why is nuclear energy considered controversial?

<p>It produces radioactive waste. (D)</p> Signup and view all the answers

What is the characteristic of non-renewable energy sources?

<p>They come from finite resources that cannot be replenished. (C)</p> Signup and view all the answers

Which renewable energy source harnesses the power of the sun?

<p>Solar power. (C)</p> Signup and view all the answers

What does carbonization refer to in the context of coal formation?

<p>The process ancient organisms undergo to become coal. (D)</p> Signup and view all the answers

Which renewable energy source is characterized by using ocean tides?

<p>Tidal power. (A)</p> Signup and view all the answers

What are reserves in the context of energy resources?

<p>Recoverable energy using current technology (B)</p> Signup and view all the answers

Which country has the largest percentage of the world's coal reserves as of 2016?

<p>United States (A)</p> Signup and view all the answers

How long do current world petroleum reserves last at the current rate of consumption?

<p>50 years (B)</p> Signup and view all the answers

What ratio indicates the relationship between energy demand and GDP?

<p>Energy to GDP Ratio (D)</p> Signup and view all the answers

Which country has the highest proved natural gas reserves?

<p>Iran (B)</p> Signup and view all the answers

What does energy intensity measure?

<p>Energy consumption per unit of GDP (D)</p> Signup and view all the answers

At the current rate of consumption, how long will U.S. coal reserves last?

<p>258 years (A)</p> Signup and view all the answers

How does an increase in petroleum consumption affect the life of reserves?

<p>It decreases the life of reserves (C)</p> Signup and view all the answers

Which of the following is true about developing countries' energy to GDP ratios?

<p>They are typically higher than developed countries (C)</p> Signup and view all the answers

Flashcards

Primary Energy

Energy directly obtained from natural resources before any conversion.

Secondary Energy

Energy that's processed from primary energy into a usable form.

Example of Primary Energy

Coal, oil, natural gas, solar, wind and nuclear.

Example of Secondary Energy

Electricity, gasoline, diesel

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Primary Energy Source Characteristic

Found in nature, needs extraction for use.

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Primary Energy Source

Energy found in nature, like fossil fuels or solar, before conversion.

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Secondary Energy Source

Energy created by converting a primary energy source, like electricity from coal.

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Commercial Energy

Energy used for business, industry, or large-scale activities.

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Non-Commercial Energy

Energy for personal use, households, or communities.

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Fossil Fuels

Energy sources like coal, oil, and natural gas—formed from ancient plants and animals.

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Renewable Energy

Energy from sources that replenish over time, like solar or wind.

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Commercial Energy

Energy sources sold in the market for a price.

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Non-Commercial Energy

Energy sources not available for sale in the market.

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Renewable Energy

Energy sources replenished naturally.

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Solar Energy

Energy from the sun's radiation, used for heating, cooling, and electricity.

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Wind Energy

Energy from the wind's motion, used to generate electricity.

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Hydropower

Energy from flowing water, used to generate electricity.

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Geothermal Energy

Energy from the Earth's internal heat, used for heating or electricity.

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Biomass Energy

Organic materials (plants, waste) used for energy.

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Renewable Energy

Energy from sources that are naturally replenished, like the sun, wind, or water.

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Bioenergy

Energy produced from organic matter (biomass) like wood, crops, or manure.

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Non-renewable Energy

Energy from sources that are used up over time, like coal and oil.

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Fossil Fuels

Energy resources formed from ancient plant and animal remains, including coal, oil, and natural gas.

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Coal

A fossil fuel, a solid fuel, used for electricity and heat.

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Oil (Petroleum)

Fossil fuel that is a liquid, crucial for transportation and industry.

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Natural Gas

A fossil fuel that is a gas, commonly used in heating and power generation.

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Biomass

Organic material from plants, animals, or waste, used as fuel.

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Greenhouse Gas Emissions

Gases released into the atmosphere when burning fossil fuels.

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Depletion

The using up of a resource that is not replenished quickly.

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Energy Reserves

The portion of energy resources that can be economically extracted with current technology.

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Fossil Fuels

Non-renewable energy sources, like coal, oil, and natural gas, formed from ancient organisms.

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Energy Resource

Any form of energy that exists in the earth, either discovered or suspected, regardless of whether it's economically viable to extract.

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Life of Reserves

How long energy reserves will last based on current rates of consumption and production.

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R/P Ratio

Ratio of energy resources to consumption, reflecting the balance between available resources and demand.

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Per Capita Energy Consumption

Amount of energy consumed by an average person in a given area.

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Energy Intensity

Energy consumption per unit of GDP (Gross Domestic Product).

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Economic Growth and Energy Demand

Economic growth often correlates with increased energy demand, even if not in a linear manner.

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Energy Dependence

Extent to which a country's economy relies on energy resources.

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Energy Efficiency

Using less energy to achieve the same output or result.

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India's Energy Intensity

India's energy use per unit of economic output is significantly higher compared to developed nations like Japan and the USA.

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Energy Pricing in India

Energy prices in India don't fully reflect the true environmental and social costs, leading to wasteful practices.

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Cross-subsidies in India's Energy Sector

Certain energy sources (like diesel, LPG) are subsidized by others (petrol, industrial electricity), creating an imbalance in the market.

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Deregulation of Petrol & Diesel

India has moved towards market-based pricing for petrol (2010) and diesel (2014), linking prices to international markets.

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Electricity Tariff Structure

Electricity tariffs in India vary significantly between states and customer types. High tension consumers pay for demand and energy; low-tension only for energy consumed.

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