Give one domestic use of each of the conventional sources of energy. Which non-conventional sources of energy can replace them for the same domestic use?
Answers
Answer:
Explanation:
As the consumption of energy grows, the population depends more and more on fossil fuels such as coal, oil and gas day by day. There is a need to secure the energy supply for future since the prices of gas and oil keep rising by each passing day. So we need to use more and more renewable sources of energy. For the effective exploitation of non-conventional sources, there has been an establishment of a separate department namely “Department of non-conventional sources of energy” by the government of India.
Non-conventional sources of energy
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Browse more Topics under Sources Of Energy
Conventional Sources of Energy
Nuclear Energy and Environmental Consequences of Energy
Renewable resources provide energy in four important areas like :
Electricity generation
Water heating or cooling
Transporting
Rural
Types of Non-convention sources
Solar Energy
Wind Energy
Tidal Energy
Geothermal Energy
Biomass
Solar Energy
Solar energy is harnessed by converting solar energy directly into electrical energy in solar plants. Photosynthesis process carries out this process of conversion of solar energy. In photosynthesis, green plants absorb solar energy and convert it into chemical energy. Solar energy is an essential energy of all non-conventional sources but its usage amount is very less. It is the most important non-conventional source of energy and it gives non-polluting environment-friendly output and is available in abundant.
Uses of Solar energy
A solar cooker directs the solar heat into secondary reflector inside the kitchen, which focuses the heat to the bottom of the cooking vessel. It has a covering of a glass plate. They are applicable widely in areas of the developing world where deforestation is an issue, and financial resources to purchase fuel are not much.
Solar heaters also use solar energy to heat water instead of using gas or electricity.
Solar cells also use solar power to generate electricity from the sun.
(Source: Wikipedia)
Wind energy
Wind energy describes the process by which wind is used to generate electricity. As the wind increases, power output increases up to the maximum output of the particular turbine. Wind farms prefer areas, where winds are stronger and constant. These are generally located at high altitudes. Wind turbines use wind to make electricity. There is no pollution because no fossil fuels are burnt to generate electricity. One of India’s largest windmill farm is in Kanyakumari which generates 380mW of electricity.
Biomass energy
Biomass is the organic matter that originates from plants, animals, wood, sewage. These substances burn to produce heat energy which then generates electricity. The chemical composition of biomass varies in different species but generally, biomass consists of 25% of lignin, 75% of carbohydrates or sugar. Biomass energy is also applicable for cooking, lighting, and generation of electricity. The residue left after the removal of biogas is a good source of manure. Biomass is an important energy source contributing to more than 14% of the global energy supply.
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Answer:
Commercial Energy Sources
The coal, electricity and petroleum are known as commercial energy since the consumer needs to pay its price to buy them.
a) Coal
Coal is the most important source of energy. There are more than 148790 Coal deposits in India. In between 2005-2006, the annual production went up to 343 million tons. India is the fourth largest coal-producing country and the deposits are mostly found in Bihar, Orissa, Madhya Pradesh and Bengal.
b) Oil and Natural Gas:
Today oil is considered to be the liquid gold and one of the crucial sources of energy in India and the world. Oil is mostly used in planes, automobiles, trains and ships. It is mainly found in Assam, Gujarat and Mumbai.
The total production of oil in India was 0.3 million tons in 1950-51, which increased up to 32.4 million tons in 2000-01.
c) Electricity:
Electricity is a common source of energy and used for domestic and commercial purposes. The electricity is mainly utilized in electrical appliances like Fridge, T.V, washing machine and air conditioning.
The major sources of power generation are mentioned below:
Nuclear Power
Thermal Power
Hydro-electric power
Thermal Power:
Thermal power is generated at various power stations by means of oil and coal. It is a vital source of electric current and its share in total capacity of the nation in 2004-05 was 70 percent.
Hydroelectric Power:
The hydroelectric power is produced by constructing dams above flowing rivers like Damodar Valley Project and Bhakra Nangal Project. The installed capacity of hydroelectric power was 587.4 mW in 1950-51 and went up to 19600 mW in 2004-05.
Nuclear Power:
The fuel used in nuclear power plants is Uranium, which costs less than coal. Nuclear power plants can be found in Kota(Rajasthan), Naroura (UP) and Kalapakam(Chennai).
Non-commercial energy sources
Generally, the energy sources that are freely available are considered as the non-commercial energy sources. The examples of non-commercial energy sources are, Straw, dried dung, firewood.
What are Non-Conventional Sources of Energy?
These non-conventional sources are also known as renewable sources of energy. The examples include solar energy, bioenergy, tidal energy and wind energy.
Solar Energy
This is the energy that is produced by the sunlight. The photovoltaic cells are exposed to sunlight based on the form of electricity that needs to be produced. The energy is utilized for cooking and distillation of water.
Wind Energy
This kind of energy is generated by harnessing the power of wind and mostly used in operating water pumps for irrigation purposes. India stands as the second largest country in the generation of wind power.
Tidal Energy
The energy that is generated by exploiting the tidal waves of the sea is known as tidal energy. This source is yet to be tapped due to the lack of cost-effective technology.
Difference Between Conventional and Non-conventional Sources of Energy
Conventional sources of energy Non-conventional sources of energy
These sources of energy are also known as a non-renewable source of energy These sources of energy are also known as a renewable source of energy
They find both commercial and industrial purposes They are mainly used for household purposes
These can be considered to be one of the reasons for the cause of pollution These are not responsible for the cause of pollution
Coal, fossil fuels are the two examples Nuclear energy, solar energy are the two examples
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