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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
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
How has the traditional use of energy of flowing water been modified for our convenience?
State two advantages 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.
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
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 how hydro-energy can be converted into electrical energy.
Explain the difference between Conventional and Non-conventional sources of energy.
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
What are the advantages of hydroelectric power generation ?
Kinetic energy in flowing water drives ________ to generate electricity.
In a hydroelectric power plant, the potential energy in water stored in a dam is converted into kinetic energy.
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
______ have long economic lives and low operating cost.
