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प्रश्न
Kinetic energy in flowing water drives ________ to generate electricity.
पर्याय
watermill
windmill
turbines
generator
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उत्तर
Kinetic energy in flowing water drives turbines to generate electricity.
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संबंधित प्रश्न
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
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
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 with a diagram of step-by-step energy conversion in Hydroelectric power plant.
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Give scientific reason
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Give your opinion about whether hydroelectric plants are environment friendly or not?
Draw neat and labelled diagram.
Energy transformation in solar thermal electric energy generation.
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.
In a hydroelectric power plant, the potential energy in water stored in a dam is converted into kinetic energy.
Draw the flowchart showing generation of electrical energy through hydroelectric power plant.
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Explain the stages in electric generation from the given schematic diagram.
In a hydropower plant:
______ have long economic lives and low operating cost.
The Hydroelectric capacity of Koyna dam is ______.
