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प्रश्न
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
"The calorific value of cooking gas (LPG) is 50 kJ/g". What does it mean?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Name two sources of energy that you think are renewable. Give reason for your choice.
Most of the fuels contain carbon as one of the constituents. Name a fuel which has very high calorific value but not contain carbon.
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
What are the disadvantages of burning fossil fuels?
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
Compare the sun and the fossil fuels as the sources of energy.
Name the major component of biogas.
One of the following is not required in the formation of biogas in a biogas plant. This is:
(a) cow-dung
(b) water
(c) oxygen
(d) anaerobic bacteria
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
State whether the following is True or False.
Renewable energy resources have limited supply in nature.
Can you tell?
Why should we save energy?
In a hydro power plant ______.
The major problem in harnessing nuclear energy is how to ______.
Which of the following is a pair of exhaustible natural resources?
