In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?

Question: Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain
[A].

CO

[B].

CO2

[C].

H2O

[D].

both(b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: A good metallurgical coke should have very low
[A].

sulphur & phosphorous content

[B].

porosity

[C].

fusion point of its ash

[D].

hardness & strength

Answer: Option A

Explanation:

No answer description available for this question.