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The average mine temperature varies considerably from pit to pit; temperature is dependent on depth of workings and how effective ventilation is. Temperatures at the coal face can be between 13 degrees C and 30 degrees C.
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What are two ways to mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
Where a coal mine is found?
Coal mine is a found in an ground.
What are the largest coal mines in the world?
black thunder coal mine in us is the largest coal mine in the world
Which is the deepest coal mine in the world?
The deepest coal mine in Europe is Jindřich II Mine in the Rosice-Oslavany coal basin, Czech Republic. The shaft of the mine reached 1550 m while the deepest level coal was mined at was at 1428.4 m. The mine was closed in 1991. It is probably the deepest coal mine in the world.Springhill Mine, near Springhill, Nova Scotia, Canada, is the deepest coal mine in North America. The greatest depth of the Springhill area mines is about 1350 m. The mine was closed in 1958.
How long does it take to mine a coal mine?
It would depend on the size of the coal deposit, the intentions of the mine owner, and the type of extraction method.
What is the temperature is it underground for a coal miner?
that really depends on the depth of the mine and the ventilation, so there`s no absolute answer...
What is a coal mine?
A coal mine is a place where coal is dug out of the earth. Some mines are completely underground and depend on tunnels to take miners to the coal. Other places, known as strip mines, are open pits in the ground where the coal is dug out.
What process is used to mine coal underground?
Underground mines consist of a series of parallel and interconnecting tunnels from which the coal is cut and removed with special machinery. The process is complex and sometimes dangerous.
Where do you mine coal at the surface or underground?
Geological conditions of the earth surface or UG surface decide where we mined coal. And also depth or thickness of coal seam.
What effect does the fresh circulating oxygen have in an underground space like coal and mine?
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What was the underground mine average lifespan?
I think it was in 2000.
What is the raven coal mine?
the raven coal mine is an underground coal mine that has been proposed 5 km west of Buckley Bay on Vancouver island. 88% of the coal minned will be used for steele making, and will be shipped off by truck or rail to port alberni then loaded onto a ship and sent off to asian markets.
What type of mining is used to mine coal?
the most common now are open pit strip mining and underground.
Is there much water in coal mines?
Will depend on the mine, but in general, underground coal mines may be very wet. One of the first uses of early steam engines was operating mine pumps to control water levels.
Why are the miners stuck underground in Chile?
because the coal mine collapsed and trapped all the miners int the room underground supposedly by somet thing that made it colapes
Do coal miners mine for coal?
Yes, coal miners mine coal.
What should be size of gallery in underground coal mine?
not more than 3 m in hight and 4.8 m in width.
