Advantages of Wind Energy

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Questions and Answers

What is the main advantage of offshore wind energy over onshore wind energy?

  • Higher wind speed due to the presence of barriers
  • Lower wind speed due to the absence of barriers
  • More variable and lower speed due to the presence of barriers
  • More constant and higher speed due to the absence of barriers (correct)

What makes wind energy a sustainable source of electricity?

  • It is generated from a non-depletable source (correct)
  • It is generated from a depletable source
  • It requires a lot of fuel
  • It produces a lot of greenhouse gases

What is the cost of fuel for generating electricity from wind?

  • Zero, as wind is a free resource (correct)
  • High, due to the cost of wind turbines
  • Low, due to the cost of wind turbines
  • Variable, depending on the location

What is a disadvantage of wind turbines?

<p>They pose a threat to various forms of animals (C)</p> Signup and view all the answers

What is a benefit of wind energy in terms of global warming?

<p>It does not contribute to global warming (A)</p> Signup and view all the answers

What is a limitation of wind power?

<p>Location is a limiting factor (B)</p> Signup and view all the answers

What is the main purpose of a wind turbine?

<p>To convert the wind's kinetic energy into usable electricity (D)</p> Signup and view all the answers

How does wind energy contribute to the harvesting of crops?

<p>By powering windmills to grind grain into flour (A)</p> Signup and view all the answers

What is the primary factor that causes the circulation of air in the atmosphere?

<p>The non-uniform heating of the Earth's surface by the sun (B)</p> Signup and view all the answers

What is the name of the wind sport that involves sailing on a surfboard?

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

What is the primary function of a wind pump?

<p>To pump water using wind energy (D)</p> Signup and view all the answers

What is the common application of wind power that involves creating electricity?

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

What is the primary function of the microcomputer in a wind farm control system?

<p>Receiving input and sending signals to establish proper yaw and blade pitch (C)</p> Signup and view all the answers

What is the purpose of techno-economic analysis in wind farm assessment?

<p>To confirm wind energy potential and suitability of a wind energy generator (C)</p> Signup and view all the answers

What is a significant environmental advantage of wind power compared to thermal power?

<p>No greenhouse gas emissions (C)</p> Signup and view all the answers

According to the Central Electricity Authority, what is included in the calculation of cost of energy for wind farms?

<p>The cost of all capital equipment, electrical and civil works (B)</p> Signup and view all the answers

What is the approximate cost of installation of a wind energy generator (WEG) per MW?

<p>Rs. 4.0 crore (B)</p> Signup and view all the answers

What percentage of the project cost is the annual maintenance of wind farms compared to thermal power?

<p>1% of project cost (A)</p> Signup and view all the answers

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