COAL AND PETROLEUM | Class 8 Physics Quick review | AP TET and NMMS

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How Coal is Formed ? How Electricity is Generated From Coal
How coal is formed ? how electricity is generated from coal. coal thayru ayyedi ela telugu lo
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Coal formed from trees a few million years ago Indirectly affects human lives today Coal is very important for the economic development of our country Because 75 per cent of power generation in our country is dependent on coal With the power generation coming from this, power will be supplied to a few lakhs of industries in our country How did Coal come to have such an impact on human lives? How to remove it from the ground?How power is generated from this coal?Let's find out in this video Now we are in the coal mining area A few years ago there were hundreds of acres of dense forests For a few hundred years Broken trees D*ad trees have accumulated their debris Repeat this process for a few years Due to the sunlight not reaching the debris of a few meters of trees Decomposed due to lack of oxygen After that the whole matter is reduced to high temperature and high pressure It was formed as coal Debris from trees does not turn directly into coal Over a period of a few years it goes
Moisture content is also lower in anthrosite coal Like a few thousand years later Coal is formed in layers in the earth coal layers are called coal sims coal extracted from underground through underground mining or open cast mining Extracting coal through underground mining is a risky task Because humans have to go to a depth of a few kilometers underground and work Underground conditions are worse Oxygen in the outside atmosphere is not present inside The percentage of oxygen in the womb is very low dangerous gases like Carbon dioxide and methane are there Accidents such as roof collapse are possible In case of accidents like roof collapse It is very difficult to rescue them But by the underground method There will be no pollution to the atmosphere Drilling a hole through open cast mining has become very easy and safe But this causes scale pollution Now let us learn how power is generated from coal From coal mines to the power plant Goods are transported by trains
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