Fuels and Combustion-Data Intensity 1 :: Discussion


5.In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of___?
A.Transportation of coal
B.Drying of coal
C.Preheating the primary air
D.Combustion of coal by supplying it around the burner
Answer:  Option  D
Explanation:

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Published by:Michael Daani

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