Introduction to Renewable Energy Sources
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Questions and Answers

What is the primary advantage of renewable energy sources in terms of energy security?

  • Increased reliance on traditional and conventional methods
  • Depletion of natural resources
  • Vulnerability to supply disruptions
  • Reduced dependence on imported fossil fuels (correct)

Which of the following is a significant economic opportunity associated with renewable energy?

  • Job creation and stimulation of economic growth (correct)
  • Reducing greenhouse gas emissions
  • Decreased investment in research and development
  • Increased dependence on fossil fuels

What is a major environmental benefit of transitioning to renewable energy sources?

  • Increased reliance on traditional energy sources
  • Reduced greenhouse gas emissions and mitigation of climate change (correct)
  • Depletion of finite resources
  • Increased air and water pollution

Why is there a growing emphasis on transitioning to renewable energy sources?

<p>Due to the finite nature of fossil fuels and environmental factors (A)</p> Signup and view all the answers

What is a significant benefit of decentralized power generation through renewable energy sources?

<p>Enhanced energy resilience (D)</p> Signup and view all the answers

What is the main driving force behind the transition to renewable energy sources?

<p>Environmental concerns and technological advancements (C)</p> Signup and view all the answers

What is the main source of energy for power generation in India?

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

What is the primary goal of the Paris Agreement?

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

What is the main challenge posed by rapid urbanization in India?

<p>Meeting the growing energy demand (B)</p> Signup and view all the answers

What is the purpose of the Perform, Achieve, and Trade (PAT) scheme in India?

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

What is the approximate value of the solar constant in watts per square meter?

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

What is the significance of the solar declination angle?

<p>It determines the latitude on Earth where the Sun is directly overhead at solar noon during the equinoxes (D)</p> Signup and view all the answers

What is the primary role of the solar azimuth angle?

<p>It provides information about the direction of the Sun (C)</p> Signup and view all the answers

What is the significance of the angle of incidence in solar energy applications?

<p>It determines the efficiency of solar panels (D)</p> Signup and view all the answers

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

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

What type of energy source harvests energy from the sun?

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

Which energy source captures kinetic energy from the wind?

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

What is a source of renewable energy that taps into Earth's internal heat?

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

Which energy source can be considered renewable if sourced sustainably and uses organic materials for energy?

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

From which type of energy source are traditional biomass (wood, dung) when harvested unsustainably derived?

<p>Non-renewable biomass (D)</p> Signup and view all the answers

What is the wavelength range of visible light?

<p>400 nm to 700 nm (D)</p> Signup and view all the answers

What is the function of the concentrating optics system in a pyrheliometer?

<p>To focus sunlight onto a sensor (D)</p> Signup and view all the answers

What is the purpose of the black coating on the sensing element of a pyrheliometer?

<p>To maximize the absorption of solar radiation (C)</p> Signup and view all the answers

What is direct solar irradiance, as measured by a pyrheliometer?

<p>The amount of solar radiation received per unit area on a surface perpendicular to the Sun's rays (A)</p> Signup and view all the answers

What is the purpose of calibrating a pyrheliometer?

<p>To ensure the accuracy of the instrument's measurements (A)</p> Signup and view all the answers

What is the primary function of the glass sphere or prism in a sunshine recorder?

<p>To capture the focused sunlight on the recording medium (C)</p> Signup and view all the answers

What is the purpose of the daily rotation of the sunshine recorder?

<p>To synchronize the recorder with the sun's movement across the sky (A)</p> Signup and view all the answers

What is the result of the focused sunlight on the recording medium?

<p>A burn or mark is created on the recording medium (C)</p> Signup and view all the answers

What is a key feature of modern sunshine recorders?

<p>Automatic mechanisms for data collection and analysis (B)</p> Signup and view all the answers

What is the significance of sunshine data in climatology?

<p>It characterizes different climate zones and understands the influence of solar radiation on local and global weather patterns (A)</p> Signup and view all the answers

What is the purpose of deploying sunshine recorders globally?

<p>To understand regional and global patterns of sunshine duration (A)</p> Signup and view all the answers

What is the primary application of sunshine data in meteorology?

<p>Weather forecasting and solar energy resource assessment (B)</p> Signup and view all the answers

What is the role of sunshine recorders in understanding the Earth's energy balance?

<p>They contribute valuable information to meteorological databases and climate studies (D)</p> Signup and view all the answers

What is the outcome of measuring the length of the burns or marks on the recording medium?

<p>The sunshine hours are calculated (B)</p> Signup and view all the answers

What is the primary component of a sunshine recorder that captures the focused sunlight?

<p>The recording medium (C)</p> Signup and view all the answers

What is the primary difference between a pyrheliometer and a pyranometer?

<p>A pyrheliometer measures direct solar irradiance, while a pyranometer measures total solar irradiance. (B)</p> Signup and view all the answers

What is the key feature of a quality pyranometer?

<p>Sensitivity to solar radiation from all directions (C)</p> Signup and view all the answers

How is solar radiation typically measured in terms of units?

<p>Watts per square meter (D)</p> Signup and view all the answers

Which component of a pyranometer helps to minimize heat loss while allowing sunlight to enter?

<p>Glass or quartz dome (C)</p> Signup and view all the answers

What is the main purpose of a sunshine recorder?

<p>To determine the duration of sunshine at a location (A)</p> Signup and view all the answers

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