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Tubular air preheater of a boiler is also called as _________

Tubular air preheater of a boiler is also called as _________ Correct Answer recuperative air preheater

Tubular air preheater is also called as recuperative air preheater. This type of air preheater is composed of steel tubes through which hot flue gases flow. Air is made to circulate over these steel tubes and thus gains heat.

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