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Which fuel is produced by powdering low grade coal with high ash content?

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Which fuel is produced by powdering low grade coal with high ash content?

(a) Coke

(b) Pulverized coal

(c) Charcoal

(d) Briquette coal

I had been asked this question in my homework.

My enquiry is from Artificial Solid Fuels & Liquid Fuels topic in chapter Steam Power Plant of Energy Engineering

1 Answer

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Right answer is (b) Pulverized coal

For explanation I would say: Pulverized coal is prepared by powdering low grade coal with high ash content. Dry coal is pulverized in pulverizing mills. It burns most efficiently when mixed with air and hence it is used in most of the power plants.

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