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Which of the highest calorific value from coal wood hydrogen rubber?
Coal
What were some natural resources in the Industrial Revolution?
Coal, rubber, cotton,
What are ten things thst are made up of fossil fuels?
Oil, Rubber, Gas, Coal...
What is the difference between thermal coal and steam coal?
These are same
What was the relationship between the steam engine and the coal mine?
The steam engine needs coal, the coal comes from the coal mine
Is there any relation between HGI and grade of coal?
YES, there is a relation between HGI and coal quality. HGI is the parameter to indicate the hardness or grindability of the coal when it is used in pulverized coal for boiler
How much coal does a coal car hold?
A coal car can hold between 234,800 to 242,300 pounds.
What is the layer of coal between rocks called?
The layer of coal between rocks is called a coal seam or coal bed. This layer forms over millions of years from compressed plant material.
What is the difference between obsidian and coal?
Obsidian has a higher luster(shinier) than coal, coal is organic, and coal is sedimentary and obsidian is igneous
How heat is made?
Heat is made by 2 forces of friction rubbing together to make warmth.
What are the differences between the types of coal?
Bituminous coal is soft and burns hotter and longer. Anthracite coal is harder than Bituminous coal and is not preferred for heating.
What is the angle of repose of coal?
Initially the seam would have been deposited tangentially to the circumference of the Earth (flat). Subsequent to this the angel would depend on tectonic movements that may have deformed the sediments containing the coal seam. The angle of repose could therefore be anywhere from vertical to horizontal.
