Chemical Engineering - Furnace Technology

Exercise :: Furnace Technology - Section 3

31. 

The resistance furnace produces heat by the

A. electric arc struck between electrodes and the charge.
B. flow of current through a heating element.
C. combination of induced current and skin effect.
D. none of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32. 

Which of the following variables does not affect the furnace capacity ?

A. Size of the furnace.
B. Gas velocity in furnace.
C. Ratio of wall surface to surface of stock.
D. None of these.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

33. 

Unit of furnace loading is

A. ton stock/hr/m2 hearth area
B. ton stock/hr
C. ton stock/m2 hearth area
D. both (b) and (c)

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

34. 

In a furnace operation, which is not preheated ?

A. Solid fuels.
B. Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.).
C. Both (a) and (b).
D. Neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

35. 

Operation of blast furnace stove is based on the principles of a __________ furnace.

A. regenerative
B. recuperative
C. both (a) and (b)
D. neither (a) nor (b).

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.