Chemical Engineering - Furnace Technology

Exercise :: Furnace Technology - Section 3

41. 

Pot furnace which is either regenerative or recupterative, is used in the manufacture of

A. glass
B. stainless steel
C. potteries
D. refractory bricks.

Answer: Option A

Explanation:

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42. 

Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace ?

A. Increase in calorific value of the fuel.
B. Increase in flame temperature.
C. Reduction in scale losses.
D. Saving in fuel consumption.

Answer: Option A

Explanation:

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43. 

A refractory wall separating the stock and the source of heat is provided in a

A. updraft kiln
B. muffle furnace
C. continuous furnace
D. none of these

Answer: Option B

Explanation:

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44. 

Which one shows the diagramatic heat balance in a furnace ?

A. Sankey diagram
B. Cox chart
C. Ostwald chart
D. None of these

Answer: Option A

Explanation:

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45. 

Decarburisation of steel

A. is the removal of carbon from iron carbide (Fe3C).
B. affects its crystalline structure.
C. is favoured by CO2.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

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