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Mechanical Engineering Mcqs

Primary air is the air used to__________________?

 (A)  provide air around burners for obtaining optimum combustion

 (B)  transport and dry the coal

 (C)  convert CO (formed in lower zone of furnace) into C02 at higher zone

 (D)  air-delivered by forced draft fan

 (E)  none ot the above

Submitted By :Ali Uppal

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