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प्रश्न
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
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उत्तर
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
| i. No fuel is burnt in a hydroelectric power plant. Thus, no air pollution due to combustion of fuel occurs. | i. Villages, towns, forests may submerge due to back-water caused by the storage of water in dams. This leads to forced migration of the living population in that area. |
| ii. Electricity can be generated whenever required if the dam has sufficient water storage. | ii. The obstruction of the flow of river water may have adverse effect on the living world in the river. |
| iii. During rainy season, the water in the water reservoirs can be replenished and used for power generation. |
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
A hydro-power plant converts one form of energy into another. Name the two forms of energy.
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?
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
Describe how hydro-energy can be converted into electrical energy.
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 reasons:
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Major hydroelectric power plants in India
Write whether true or false
Electrical energy can be generated.
In a windmill, the rotating blades drive the turbine and the turbine in turn drives the generator to generate electricity.
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 following flow chart.
Explain the stages in electric generation from the given schematic diagram.
In a hydropower plant:
Coil of wire is rotated between electromagnets is created ______.
Where are the Hydel power stations located in Tamil Nadu?
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
