Natural
drought is produced :
By the use of
mechanical fan and steam jet
By the use of
steam jet
By the use of
chimney
By the use of
mechanical fan
By the use of
chimney
Natural
drought is produced by chimneys. Natural draught allows natural circulation of
air through the boiler system. It mainly depends upon the height of the
chimney.
Hence, the correct option is (C).
&Key Points:-
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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