The resistance furnace produces heat by the__________________?

Question: __________ is an indirectly heated furnace.
[A].

Open hearth furnace

[B].

Muffle furnace

[C].

Soaking pit

[D].

Reheating furnace

Answer: Option B

Explanation:

No answer description available for this question.

Question: Large tonnage of refractory bricks are dried in a
[A].

shaft furnace

[B].

rotary hearth furnace

[C].

tunnel kiln

[D].

muffle furnace

Answer: Option C

Explanation:

No answer description available for this question.

Question: In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of
[A].

use of non-preheated combustion air.

[B].

use of pulverised solid fuels.

[C].

imperfect mixing of fuel & air and infiltration of air.

[D].

use of excessive positive draft in the furnace.

Answer: Option C

Explanation:

No answer description available for this question.