Question

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.

combustion of coal by supplying it around the burner.

d.

preheating the primary air.

Posted under Basic Chemical Engineering

Answer: (c).combustion of coal by supplying it around the burner.

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Q. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of
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