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
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