Steam Boilers, Engines, Nozzles & Turbines Mcqs

Q.  Secondary air is the 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 induced draft fan
e. air fed to pulverisers


ANSWER: See Answer
 
No explanation is available for this question!
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