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In which mill is the pulverization of coal is made by the impact?

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In which mill is the pulverization of coal is made by the impact?

(a) Hammer mill

(b) Bowl mill

(c) Ball mill

(d) Ball and race mill

I got this question in an interview.

I want to ask this question from Pulverised Mills in chapter Steam Power Plant of Energy Engineering

1 Answer

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Best answer
Right answer is (a) Hammer mill

The best explanation: In the hammer mill the pulverization of coal is made by impact and this is also called as impact mill. The coal in pulverizer remains in suspension during the entire pulverizing process. All the grinding elements and the primary air fan are mounted on a single shaft.

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