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प्रश्न
Wind turbines with capacity are commercially available.
विकल्प
1 kW to 7 MW
1 kW to 7 kW
1 kW to 7000 W
1 W to 7 MW
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उत्तर
1 kW to 7 MW
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.
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
State two disadvantages of producing hydroelectricity.
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
Describe the working of a hydrogen bomb.
Write any two limitations of hydro-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.
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.
Draw a neat and labelled diagram of energy transformation in solar thermal electric energy generation.
Electrical energy can be generated using wind.
Write the advantages of the Hydroelectric Power project.
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 |
______ have long economic lives and low operating cost.
