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By what is natural draught produced?

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in Energy Engineering by (91.0k points)
By what is natural draught produced?

(a) Air duct

(b) Chimney

(c) Locomotive exhaust

(d) Air blower

The question was asked by my school teacher while I was bunking the class.

Origin of the question is Draught System in section Steam Generators & Accessories of Energy Engineering

1 Answer

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Best answer
The correct answer is (b) Chimney

For explanation I would say: Natural draught is produced by using a chimney. A chimney is a vertical tubular structure made up of brick, steel or reinforced concrete. The draught produced by the chimney is due to the difference in temperature of hot flue gases inside the chimney and the atmospheric air.

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