Fuels and Combustion
Height of coke oven is limited (say maximum upto 7 metres) mainly by the

Problem in door cleaning
Buckling of ram of pusher car at the time of coke pushing
Problem of uniform heating along its height
Structural strength of silica bricks

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Fuels and Combustion
Anthracite 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
Is essentially a coking coal

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