Advertisements
Advertisements
Question
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
Solution
i. Above information is about‘ green energy’
ii. Fossil fuel is not an example of green energy.
iii. 
APPEARS IN
RELATED QUESTIONS
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
A hydro-power plant converts one form of energy into another. Name the two forms of energy.
What type of energy is possessed by flowing water?
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?
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
State two advantages of producing hydroelectricity.
State two disadvantages 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.
Describe how hydro-energy can be converted into electrical energy.
Explain with a diagram of step-by-step energy conversion in a hydroelectric power plant.
Draw a neat and labelled diagram of energy transformation in solar thermal electric energy generation.
What are the advantages of hydroelectric power generation ?
Major hydroelectric power plants in India
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Explain the stages in electric generation from the given schematic diagram.
Where are the Hydel power stations located in Tamil Nadu?
The Hydroelectric capacity of Koyna dam is ______.
