Advertisements
Advertisements
Question
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.
Advertisements
Solution
i. Above information is about‘ green energy’
ii. Fossil fuel is not an example of green energy.
iii. 
APPEARS IN
RELATED QUESTIONS
What type of energy is possessed by flowing water?
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
What is the difference between a thermal power plant and a hydro power plant?
State two disadvantages 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
Write any two limitations of hydro-energy.
Explain the difference between conventional and non-conventional sources of energy.
Give scientific reasons:
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Kinetic energy in flowing water drives ________ to generate electricity.
Wind turbines with capacity are commercially available.
Major hydroelectric power plants in India
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.
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?
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
Choose the correct statement.
______ have long economic lives and low operating cost.
