Chemical Engineering - Furnace Technology

Exercise :: Furnace Technology - Section 2

36. 

Regenerators are normally provided in the

A. glass melting furnace.
B. open hearth furnace.
C. by product coke ovens.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

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37. 

Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.

A. 350
B. 750
C. 1050
D. 1250

Answer: Option B

Explanation:

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38. 

Furnace pressure is normally controlled by regulating the

A. air pressure
B. fuel gas pressure
C. speed of I.D. fan
D. damper

Answer: Option D

Explanation:

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39. 

An example of indirectly heated furnace is the

A. soaking pit
B. muffle furnace
C. reheating furnace
D. none of these

Answer: Option B

Explanation:

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40. 

Specific heating capacity of a furnace is expressed as

A. weight heated/hr
B. weight heated/furnace volume
C. weight heated/hr/furnace volume
D. none of these

Answer: Option C

Explanation:

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