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Practically, coking coals are blended with ______

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Practically, coking coals are blended with ______

(a) caking coals

(b) non-caking coals

(c) non-coking coals

(d) lignite

I have been asked this question during an interview.

I'm obligated to ask this question of Carbonization of Coal topic in portion Fuels and Combustion of Engineering Chemistry II

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The correct choice is (b) non-caking coals

To explain I would say: Coking coals are blended with non-caking coals since it helps in increasing the rate of carbonization and producing good quality coke from non-caking coal.

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