Heat transfer rate to the charge/stock in a furnace does not depend upon the________________?

Question: In order to maintain a reducing atmosphere in a furnace, it should have
[A].

no O2 in flue gas

[B].

CO in flue gas

[C].

high excess air

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: The advantages of firing pulverised coal in the furnace lies in the fact that, it
[A].

permits the use of high ash content coal.

[B].

permits the use of low fusion point ash coal.

[C].

accelerates the burning rate and economises on fuel consumption.

[D].

all (a), (b) and (c).

Answer: Option C

Explanation:

No answer description available for this question.

Question: Blast furnace stoves are meant for heating
[A].

air

[B].

blast furnace gas

[C].

steam

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Forced recirculation of furnace gases is practised
[A].

to increase heat transfer by convection.

[B].

to ensure uniform temperature.

[C].

in furnaces, operating below 750°C.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.