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Which force is used to throw away the heavy particles in the bowl mill?

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in Energy Engineering by (91.0k points)
Which force is used to throw away the heavy particles in the bowl mill?

(a) Gravity force

(b) Centrifugal force

(c) Centripetal force

(d) Spring force

This question was posed to me in semester exam.

My enquiry is from Pulverised Mills topic in division Steam Power Plant of Energy Engineering

1 Answer

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Best answer
Right answer is (b) Centrifugal force

For explanation I would say: The coal pulverized is carried to the burner through the fan. The impurities in the coal containing heavy particles are thrown over side by centrifugal force as these enter the rotating bowl/ the heavy particles thrown out fall into the space below the bowl.

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