Classification of Fuel
On the basis of occurrence, fuels can be classified as of two types,primary(natural fuel) and secondary(artificial fuel). Primary fuels are of three types, solid(wood,coal,peat,lignite,cow dung, etc. ), liquid(crude oil) and gaseous(natural gas). Secondary fuels are also of three types, solid(coke, charcoal,petroleum), liquid(diesel, petrol,tar, kerosene,LPG) and gaseous(water gas, blast furnace gas,coal gas,coke oven gas,CNG).
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Charcoal
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Famous quotes containing the word fuel:
“It is now many years that men have resorted to the forest for fuel and the materials of the arts: the New Englander and the New Hollander, the Parisian and the Celt, the farmer and Robin Hood, Goody Blake and Harry Gill; in most parts of the world, the prince and the peasant, the scholar and the savage, equally require still a few sticks from the forest to warm them and cook their food. Neither could I do without them.”
—Henry David Thoreau (1817–1862)