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Furnace Technology - Section 1 (6)

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Furnace Technology - Section 1

If you are looking for MCQs and other problems based on Furnace
technology then you are at right place, you can find these problems in the following section.

41. 

Ceramic recuperators compared to metallic recuperators for the same duty

A. are lighter.
B. occupy more space.
C. are less costly.
D. have higher pressure differential between flue gas & air side.

Answer: Option B

Explanation:

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

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42. 

Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of

A. low emissivity
B. high thermal conductivity
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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

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43. 

Calcination of limestone to produce lime is done in a __________ kiln.

A. tunnel
B. rotary
C. vertical shaft
D. both (b) and (c)

Answer: Option D

Explanation:

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

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44. 

Which furnace employs preheating, heating and soaking zones ?

A. Soaking pit
B. Reheating furnace
C. Open hearth furnace
D. Cupola

Answer: Option B

Explanation:

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

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45. 

Example of an indirectly heated furnace is

A. hood annealing furnace
B. muffle furnace
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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

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46. 

__________ atmosphere is maintained inside an iron blast furnace.

A. Oxidising
B. Reducing
C. Inert
D. Decarburising

Answer: Option B

Explanation:

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

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47. 

Which of the following is a heat treatment furnace ?

A. Muffle furnace
B. Annealing furnace
C. Reheating furnace
D. Rotary kiln

Answer: Option B

Explanation:

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

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48. 

Regenerators are installed in

A. coke ovens
B. open hearth furnace
C. both (a) & (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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

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