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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 type of energy is possessed by flowing water?
What is the difference between a thermal power plant and a hydro power plant?
State two advantages of producing hydroelectricity.
Describe the working of a hydrogen bomb.
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
Explain the difference between conventional and non-conventional sources of energy.
Explain with a diagram of step-by-step energy conversion in a hydroelectric power plant.
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Major hydroelectric power plants in India
Electrical energy can be generated using wind.
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?
Explain the stages in electric generation from the given schematic diagram.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
In a hydropower plant:
______ have long economic lives and low operating cost.
The Hydroelectric capacity of Koyna dam is ______.
