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प्रश्न
State any four characteristics of a good source of energy.
उत्तर
Four characteristics of a good source of energy are as follows.
a) It should have a high calorific value.
b) It should be cheap and easily available.
c) It should be safe to handle and use.
d) It should be environment friendly, i.e, it should not cause pollution.
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संबंधित प्रश्न
On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given in (a) and (b) the same?
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
What are the raw materials used for making biogas?
When the material A mined from the earth is heated strongly in an insufficient supply of air, it produces a solid fuel B which consists mainly of carbon. When another material C obtained from trees is heated in an insufficient supply of air, it produces another solid fuel D which also consists mainly of carbon. Name A, B, C and D
What are non-renewable resources of energy? Give two examples of such resources.
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
What do you know about wind energy?
Name two forms of sea energy.
Tidal energy is ______ type of energy.
