Fuels and Combustion
Presence of free moisture in coal is most disadvantageous during

Combustion of fire slacks on the grates
Its pulverisation (as it requires more power)
None of these
Handling (e.g. when emptying wagons)

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Fuels and Combustion
Anthracite coal

Is essentially a coking coal
Contains more volatile matter than bituminous coal
Burns with short, bluish, yellow-tipped flame producing very little smoke
Ignites more easily than bituminous coal

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