Wind Energy

Q. Wind energy is a non-conventional source of energy.

1. True
2. False

Q.

What are the advantages and limitations of using wind energy?

Q.

What is the primary source of wind energy?

1. wind

2. sun

3. water

4. gravitation

Q. ____ energy is obtained from waterfalls and dams.

1. Water
2. None of these
3. Tidal
4. Wave

Q. Which among the following is the advantage of wind mill?

1. Pollution free and free of cost
2. Costly
3. Non -renewable source of energy
4. All of the above

Q. Why have a lot of countries still not adopted wind energy inspite of its potential?

1. Non-renewable source of energy
2. High installation costs
3. High maintenance costs
4. Low lifespan of windmills

Q. The traditional use of wind energy can be modified for our convenience by using a solar panel.

1. False
2. True

Q.

Look at the image given below:

Which of the following energy resources can be harnessed using this device?

1. Solar energy

2. Wave energy

3. Tidal energy

4. Wind energy

Q. Wind flows because of which of the following reasons?

1. Windmill makes the wind flow
2. Because of uneven heating of the earth surface
3. Trees produce wind
4. None of these

Q.

What are the limitations of extracting energy from wind?

1. It is not possible to have a windmill everywhere as to run it, the minimum wind speed of 15 km/hr is required.

2. It is not available at all times.

3. It requires a very large area of land.

4. All the above

Q. Statement 1: Wind energy can replace all other sources of energy.
Statement 2: Installation cost for harnessing wind energy is very low.

1. Only statement​ 1 is correct
2. Both statements are correct
3. Only statement​ 2 is correct
4. Both statements are wrong