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When coal is first dried and then crushed to a fine powder by pulverising machine, the resulting fuel is called

wood charcoal
bituminous coal
briquetted coal
none of these

Correct Answer: none of these

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More Questions from Thermodynamics

A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called
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One molecule of oxygen is __________ times heavier than the hydrogen atom.

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