Solar and Wind Energy

Q. Apart from drilling and mining, name one more method that is used for Extraction of Minerals.

1. Channeling
2. Cutting
3. Tunneling
4. Quarrying

Q. In the ________ grade ores, the mineral content is high and impurities are less. In the __________ grade ores mineral content is low and impurities are more.

1. Ferrous and Non ferrous
2. Old and new
3. High and Low
4. Metallic and Non-metallic

Q. Which continent is the leading producer of iron ore in the world?

1. Asia
2. North America
3. Europe
4. Australia

Q. What is the minimum wind speed required for power generation of electricity using wind mills?

1. 10 kmph
2. 15 kmph
3. 40 kmph
4. 120 kmph

Q. Which energy of wind is converted to electricity by a windmill?

1. Potential
2. Chemical
3. Thermal
4. Kinetic

Q. Which zone has the maximum intensity of solar energy?

1. Torrid
2. Temperate
3. Frigid
4. North

Q. Where is the solar plant situated in Nandurbar district of Maharashtra?

1. Koyna
2. Dhom
3. Ghatghar
4. Sakri

Q. Which of the following are the advantages of wind energy?

1. Zero initial setup cost
2. Reliable source of energy
3. Renewable
4. Unlimited availability

Q. Which of the following states have windmills to generate wind energy?

1. Tamil Nadu
2. Maharashtra
3. Andhra Pradesh
4. Karnataka

Q. From the following options given, pick out the correct reason as to why impurities should be removed from mineral ores?

1. To convert mineral ores into useful materials.
2. To retain the minerals in its pure state.
3. To avoid drilling, mining etc.
4. To obtain large quantities of mineral ores.

Q.

The future of power generation by solar energy is bright in India. Give reason.

Q.

Distinguish between a mineral and an ore; an ore and a metallic compound.

Q. The state of Tamil Nadu has the highest installed capacity to generate wind power. What is the wind speed required for power generation?

1. 40-50 kmph
2. 20-30 kmph
3. 30-40 kmph
4. 10-20 kmph

Q. Metalic mineral can be obtained by______.

1. Mining and Quarrying
2. Ferrous and Non-ferrous
3. Drilling and Mining
4. Open Cast and Shaft

Q. Where is wind energy used?

1. Power generation
2. Irrigation
3. All of the above
4. Sail boat

Q. How can energy be generated from waste material?

Q. Which of the following is an example of a non-ferrous metal?

1. Nickel
2. Cobalt
3. Iron ore
4. Copper

Q. Metallic minerals are divided into ________ categories

1. 5
2. 4
3. 2
4. 3

Q.

Mention any two uses of wind energy.

Q. Which of the following is incorrect disadvantage of solar energy?

1. Cannot generate electricity at night
2. Costly setup
3. Non-renewable
4. None of the above

Q. Agua Caliente, California Valley, Golmud Park, Charanka Park and Welspun Energy Project. These are some large-scale projects associated with _______ energy.

1. solar
2. atomic
3. geothermal
4. tidal