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प्रश्न
Classify energy resources into two categories. Give two examples of each category.
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उत्तर
All the energy sources can be classified into two main categories- ‘conventional’ and ‘non-conventional’ energy sources.
Conventional energy – These include non-renewable sources of energy which are being used since a long time. Examples of these are firewood, cattle-dung cake, coal, petroleum, natural gas, etc.
Non-conventional energy – These are broadly renewable or inexhaustible and do not cause environmental pollution or heavy expenditure. These include solar, wind, tidal, geothermal energy and biogas.
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संबंधित प्रश्न
Name two industries that use a high quantity of coal.
State one disadvantage of using coal as a source of power.
Give reason.
Petroleum is referred to as “black gold”.
State the most important coal fields of India.
Give geographical reasons for the following:
Oil refineries are located close to oil fields or near ports.
Name an important coal producing State in India and a coal-mine located in that State.
Name the following:
Coal mine in Orissa.
Name the following:
Iron ore mine in Karnataka
Name one important area that has large coal deposits in the states of Jharkhand and West Bengal.
Give two advantages of using Natural gas over coal.
