Electricity Generation Using Wind-energy

What is the main advantage of any downwind turbine?

 What is the main advantage of an upwind turbine?

Wind energy utilises......

Which of the following wind turbine is mostly used to extract wind energy?

A wind turbine travels with the speed is $20 {\mathrm{ms}}^{-1}$ and has a blade length of $50 \mathrm{m}$. Determine the wind power. (Given: Density of air $=1.23 {\mathrm{kgm}}^{-3}$).

The maximum wind energy available is directly proportional to

What is the main function of the gearbox in a wind turbine system?

What is a Wind turbine? Mention any three basic components of wind turbine.

What is a lunar eclipse? State the difference between a total lunar eclipse and a partial lunar eclipse. 

The wind energy farms require a large area of land.

Mention the differences between total lunar eclipse and partial lunar eclipse?

What are the limitations of wind energy?

What is the minimum wind speed (in $\raisebox{1ex}{$\mathrm{km}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{hr}$}\right.$) necessary for satisfactory working of windmill?

A diagram of wind machine is given below. Each part is numbered A, B, C and D. What is the function of B?

Windmills convert the ______ energy of the wind to electrical energy.
 

Air flows from a region of ______ pressure to a region of _____ pressure.

A form of energy that helps turn the blades of the windmills.

To generate electricity, the ______ motion of the windmill is used to turn the turbine of the electric generator.

Unequal heating of the landmass and water bodies by solar radiation generates air movement and causes winds to blow. This _____ energy of the wind can be used to do work.

Choose the incorrect statement regarding wind power.