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GATE 2017 Mining ENGINEERING PAPERS by IIT Roorkee



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Coal is the official state mineral of Kentucky.


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About: GATE 2017 Mining ENGINEERING PAPERS by IIT Roorkee


Sir Kon sa Book Acha hoga Mining student kea liye GATE Exam ke liye.....


Coal stock


Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction.

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Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption was about 7.25 billion tonnes in 2010 The price of coal increased from around $30.00 per short ton in 2000 to around $150.00 per short ton as of September 2008. In early 2015, it was trading near $56/ton.