Renewable vs Non-Renewable Energy Quiz
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Questions and Answers

What type of energy is generated by wind turbines?

  • Electrical energy (correct)
  • Chemical energy
  • Nuclear energy
  • Thermal energy

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

  • Hydropower
  • Solar energy
  • Geothermal energy
  • Natural gas (correct)

What is the primary environmental concern associated with non-renewable energy sources?

  • Air and water pollution (correct)
  • Lack of technological advancement
  • High costs
  • Limited availability

Which energy source relies on the Earth's internal heat for power generation?

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

How are renewable energy sources generally characterized in contrast to non-renewable sources?

<p>Lower environmental impact (A)</p> Signup and view all the answers

What trend indicates a global shift towards sustainable energy solutions?

<p>Growing investment in solar and wind technologies (B)</p> Signup and view all the answers

What is a significant benefit of renewable energy in terms of energy security?

<p>More sustainable and secure options (A)</p> Signup and view all the answers

Which of the following reflects the primary advantage of geothermal energy?

<p>Taps into Earth's internal heat (D)</p> Signup and view all the answers

What is the primary purpose of a sunshine recorder?

<p>To assess solar energy potential and monitor environmental changes (A)</p> Signup and view all the answers

How does a sunshine recorder capture sunlight?

<p>Through a glass sphere or prism that focuses sunlight onto a recording medium (C)</p> Signup and view all the answers

What kind of data can be collected using a sunshine recorder?

<p>Information on daily and annual variations in sunshine duration (D)</p> Signup and view all the answers

What is the primary challenge in integrating renewable energy sources into the grid?

<p>Intermittency issues (C)</p> Signup and view all the answers

Which component is crucial for the functionality of a sunshine recorder?

<p>A glass sphere or prism that focuses sunlight (A)</p> Signup and view all the answers

What is the aim of India's Perform, Achieve, and Trade (PAT) scheme?

<p>To improve energy efficiency in industries (C)</p> Signup and view all the answers

In what fields are sunshine recorders predominantly utilized?

<p>Meteorology, climatology, and solar energy studies (B)</p> Signup and view all the answers

What is the generally accepted value of the solar constant?

<p>1361 W/m² (D)</p> Signup and view all the answers

Which angle describes the height of the Sun in the sky relative to an observer?

<p>Solar Elevation Angle (D)</p> Signup and view all the answers

What is the wavelength range for Ultraviolet (UV) radiation?

<p>10 nm to 400 nm (D)</p> Signup and view all the answers

What does the solar azimuth angle indicate?

<p>The compass direction of sunlight (B)</p> Signup and view all the answers

Which type of solar radiation is primarily responsible for photosynthesis?

<p>Visible Light (C)</p> Signup and view all the answers

What does the hour angle represent?

<p>The measure of time since solar noon (C)</p> Signup and view all the answers

Which radiation is mostly absorbed by the Earth's atmosphere?

<p>X-rays and Gamma Rays (A)</p> Signup and view all the answers

Which factor is NOT a cause of variation in solar radiation reaching Earth’s surface?

<p>Human activity (C)</p> Signup and view all the answers

What is a primary benefit of renewable energy concerning greenhouse gas emissions?

<p>It produces energy with significantly lower or zero emissions. (C)</p> Signup and view all the answers

What economic advantage does the renewable energy sector provide?

<p>Creates jobs in manufacturing and installation. (B)</p> Signup and view all the answers

Which of the following contributes to energy independence in countries transitioning to renewable energy?

<p>Utilizing domestic renewable resources. (D)</p> Signup and view all the answers

What role does technological innovation play in renewable energy?

<p>It encourages advancements and cost reductions in renewable technologies. (D)</p> Signup and view all the answers

How does the use of decentralized power generation affect energy accessibility?

<p>It can enhance energy resilience against disruptions. (A)</p> Signup and view all the answers

What has increased public support for renewable energy initiatives?

<p>Growing public awareness of environmental concerns. (A)</p> Signup and view all the answers

What is a significant challenge posed by urbanization regarding energy demand?

<p>It exacerbates the challenge of meeting rising energy demand sustainably. (B)</p> Signup and view all the answers

Which Indian government initiative aims to improve electricity access in rural areas?

<p>Pradhan Mantri Sahaj Bijli Har Ghar Yojana (Saubhagya). (A)</p> Signup and view all the answers

What has historically dominated the global energy mix?

<p>Fossil fuels like coal, oil, and natural gas. (A)</p> Signup and view all the answers

What is one objective of the Paris Agreement?

<p>Limit global temperature increases and reduce greenhouse gas emissions. (A)</p> Signup and view all the answers

What type of solar radiation does a pyrheliometer specifically measure?

<p>Direct solar irradiance (A)</p> Signup and view all the answers

Which feature allows a pyranometer to measure solar radiation from all directions?

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

What is the primary working principle of a pyrheliometer?

<p>Measures temperature change due to thermal absorption (C)</p> Signup and view all the answers

In which fields are pyrheliometers commonly used?

<p>Solar energy research and environmental monitoring (B)</p> Signup and view all the answers

How is solar irradiance typically measured by both pyrheliometers and pyranometers?

<p>In watts per square meter (W/m²) (A)</p> Signup and view all the answers

What aspect of a pyrheliometer helps maximize the absorption of solar radiation?

<p>Blackened thermopile or thermocouple (B)</p> Signup and view all the answers

What distinguishes a pyranometer from a pyrheliometer?

<p>Pyranometer measures total solar irradiance (A)</p> Signup and view all the answers

Which statement accurately reflects calibration in pyrheliometers and pyranometers?

<p>Calibration is essential for accurate measurements (C)</p> Signup and view all the answers

What allows a pyrheliometer to maintain direct alignment with the Sun?

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

What is a common application of pyranometers?

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

Flashcards

Renewable Energy Sources

Energy sources that are naturally replenished and don't deplete over time.

Solar Energy

Energy harnessed from the sun, converted into electricity using photovoltaic cells.

Non-Renewable Energy Sources

Energy sources that are finite and run out as they are used.

Fossil Fuels

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

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Renewable Biomass

Sustainable use of organic matter for energy. Wood, dung etc. if harvested responsibly.

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Environmental Impact (Renewable)

Generally lower impact with reduced emissions and less pollution compared to non-renewable energy sources.

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Replenishment (Non-Renewable)

These resources have a finite supply and cannot be made in any reasonable time.

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Renewable Transition

Shifting away from non-renewable sources to sustainable renewable energy sources.

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Renewable Energy Sources

Sources of energy that are naturally replenished over short periods, such as solar, wind, and hydropower.

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Climate Change Mitigation

Reducing the severity of climate change by decreasing greenhouse gas emissions.

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Greenhouse Gas Emissions

Gases released into the atmosphere that trap heat, contributing to global warming.

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Fossil Fuels

Non-renewable energy sources like coal, oil, and natural gas.

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Energy Independence

Reducing reliance on imported energy sources.

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Technological Advancements

Improvements in technology related to renewable energy, making them more efficient and cost-effective.

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Decentralized Power Generation

Producing energy closer to where it's used, reducing reliance on large centralized power grids.

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Global Energy Scenario

The overall energy situation across the world, including the use of different energy sources and trends.

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Indian Energy Mix

The mix of different energy sources used in India, including coal, renewables, and others.

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Renewable Energy Growth

Significant increase in the capacity and use of renewable energy sources like solar and wind in India.

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Solar Constant

Average solar energy received per square meter at Earth's outer atmosphere, perpendicular to sunlight, approximately 1361 W/m².

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Solar Declination

Angle between Sun's rays and Earth's equator; determines latitude of direct overhead sun at noon.

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Solar Elevation Angle

Sun's apparent height above horizon; affects solar radiation intensity.

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Solar Azimuth Angle

Compass direction of sunlight; useful for solar panel orientation.

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Hour Angle

Time since solar noon, in angular measurement.

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Angle of Incidence

Angle between sunlight & surface perpendicular to sunlight, affecting solar panel efficiency.

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Perform, Achieve, and Trade (PAT) scheme

Indian energy efficiency program for industries.

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Grid Integration

Connecting renewable energy sources (solar, wind) to the power grid.

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Intermittency Issues

Variability in renewable energy supply due to weather conditions.

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Energy Storage Solutions

Methods for storing excess renewable energy for later use.

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Pyrheliometer

Measures direct solar irradiance (sunlight hitting a surface directly without scattering).

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Direct solar irradiance

Solar radiation received directly from the sun without scattering or reflection.

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Pyranometer

Measures total solar irradiance, encompassing direct, diffuse, and reflected sunlight.

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Total solar irradiance

All solar radiation received on a surface, including direct, diffuse, and reflected components.

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Solar tracking

Mechanism to keep instruments pointed directly at the sun as it moves across the sky.

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Thermal absorption

Process where the sensor absorbs solar radiation, causing a temperature increase.

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Solar irradiance units

Measured in watts per square meter (W/m²).

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Thermopile/Thermocouple sensor

Sensing element in a pyrheliometer that converts temperature changes into electrical signals.

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Cosine Response

A pyranometer's ability to accurately measure sunlight arriving from all directions on a horizontal plane.

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Calibration

Process of adjusting an instrument to ensure accurate measurements.

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Sunshine Recorder

An instrument that measures sunshine duration at a specific location.

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Working Principle (Recorder)

Sunlight is focused onto a recording medium by a glass sphere or prism, with the rotation of the recorder correlating with sun's movement.

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Recording Medium

The surface (photosensitive paper or film) that records and shows the sunshine duration as a burn or mark.

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Sunshine Hours Calculation

Determining the total sunshine hours by measuring the length of the burn/mark on the recording medium.

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Sun Path Diagram

A diagram showing the sun's position in the sky throughout the day and year, useful with sunshine recorders.

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