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प्रश्न
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
पर्याय
True
False
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उत्तर
False
Correct Statement: Coal and petroleum are non-renewable energy resources.
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संबंधित प्रश्न
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
Name the component which is found in natural gas well as in biogas.
Why is LPG considered a better fuel than coal?
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
What is biomass? Give three examples of biomass.
Name the biomass which is still widely used as a source of heat energy in many household of our country.
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
Which of the following sources of energy are not derived from the sun?
Biomass, Wind, Ocean thermal energy, Geothermal energy, Nuclear fuels, Hydroelectricity, Wave energy, Coal, Petroleum, Tidal energy
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
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
Write a short note on nuclear power.
Can you tell?
What are the non-conventional energy resources?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Coal is one of the ______ used to cook food.
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.
Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.
