Q.

How can exhaust gas be recovered in the induced draught?

A. by installing the forced draught fan at the starting point
B. by extending the chimney’s height
C. by inletting high amount of air from multiple air ducts
D. by installing air preheater and economizer along the gas path
Answer» D. by installing air preheater and economizer along the gas path
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Thermal Engineering 2

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