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प्रश्न
What are the advantages of hydroelectric power generation ?
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उत्तर
- No fuel is burnt in hydroelectric plant so no air pollution.
- If the dam has enough water storage capacity, it is possible to generate electricity as needed.
- Hydroelectric power generation is environment friendly which do not lead to environmental problems.
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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
How has the traditional use of energy of flowing water been modified for our convenience?
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
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.
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.
Give scientific reason
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Find an odd one out.
Major hydroelectric power plants in India
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 |
Complete the following flow chart.
Hydropower plants are located in the ____________.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
In a hydropower plant:
Choose the correct statement.
Where are the Hydel power stations located in Tamil Nadu?
______ have long economic lives and low operating cost.
The Hydroelectric capacity of Koyna dam is ______.
