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प्रश्न
What is the main difference between renewable and non-renewable energy resources?
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उत्तर
Renewable Resources
- These are those resources that can be renewed in a short time.
- These do not cause any pollution to the environment.
- These are the free gifts of nature.
- Air, water, and solar energy are examples of renewable resources.
Non-Renewable Resources
- These are those resources that cannot be renewed in a short time.
- These cause pollution to the environment.
- These are not free gifts of nature.
- Coal, Petroleum, and some minerals are examples of non-renewable resources.
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संबंधित प्रश्न
Define ignition temperature of a fuel.
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
Write the full forms of CNG and LPG.
Which fossil fuel formed by the buried remains of large land plants?
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
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.
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
Name the constituents of biogas.
Write any two advantages of using biogas.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
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
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
What are non-renewable resources of energy? Give two examples of such resources.
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
Answer the following question.
Write the name of the main constituent of Biogas. Also, state its percentage.
Name a few major producers of petroleum in the world.
State the main difference between the renewable and non-renewable sources of energy.
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______, these forests got buried under the ______. As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______, dead plants got slowly converted into coal.
