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
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *