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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 1
11.
In order to maintain a reducing atmosphere in a furnace, it should have
no O2 in flue gas
CO in flue gas
high excess air
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which is the most thermally efficient furnace ?
Reheating furnace
Reverberatory furnace
Rotary kilns
Boiler furnace
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The heat recoverable from flue gases of furnaces depends on the
thermal efficiency of furnace.
quantity of flue gases.
flue gas temperature drop through the furnace.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.
250
650
850
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which is a continuous furnace ?
Coke ovens
Annealing furnace
Glass tank furnace
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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