Advertisements
Advertisements
प्रश्न
Read the information given below and solve the questions based on it.
Electric energy is produced in various ways like hydroelectric, wind power, Solar energy, bio-fuel, etc. These energy sources are inexhaustible, sustainable. Besides, it does not cause any environmental problem.
i. Above information is about which type of energy?
ii. Whether the fossil fuel is an example of this energy?
iii. Draw the flow chart of production of electric energy.
Advertisements
उत्तर
i. Above information is about‘ green energy’
ii. Fossil fuel is not an example of green energy.
iii. 
APPEARS IN
संबंधित प्रश्न
There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
(a) more of carbon but less of hydrogen
(b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen
(d) less of carbon as well as less of hydrogen
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
What is the difference between a thermal power plant and a hydro power plant?
How has the traditional use of energy of flowing water been modified for our convenience?
State two advantages of producing hydroelectricity.
At a hydro power plant:
(a) kinetic energy possessed by stored water is converted into electrical energy
(b) electrical is extracted from water
(c) water is converted into steam to turn turbines and produce electricity.
(d) potential energy possessed by stored water is converted into electricity.
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
What is common between the sun and a hydrogen bomb?
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Wind turbines with capacity are commercially available.
Major hydroelectric power plants in India
While producing hydroelectric energy, there is no pollution.
In a hydroelectric power plant, the potential energy in water stored in a dam is converted into kinetic energy.
Observe the given diagram and answer the questions.
- Which type of energy is generated?
- This power station depends on which factors?
- Is it environment friendly?
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Hydropower plants are located in the ____________.
Choose the correct statement.
Complete the stages in electric generator using wind energy.
