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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 2
1.
Which is a regenerative furnace ?
Coke oven heating chamber.
Open hearth furnace.
Both (a) and (b).
Neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following accentuates clinker-ing troubles on furnace grate burning coal?
Low reactivity of carbonised residue containing high proportion of iron & sulphur.
Low forced draft & fuel bed temperature.
Thick firebed and preheated primary air.
All (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.
arc
resistance
low frequency induction
high frequency induction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
reduces the flue gas temperature and makes the furnace atmosphere oxidising.
increases the load on the induced draft fan.
reduces the furnace draught.
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Use of pulverised coal in boilers provides
higher calorific value
better combustion
smokeless burning
less erosion on furnace wall.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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