Chemical Engineering - Furnace Technology - Discussion

2. 

In a furnace employing forced draught as compared to induced draught,

[A]. air is sucked in, so air leaks are more and hence the furnace efficiency is reduced.
[B]. the fan operates hot and hence blades are liable to corrosion and erosion.
[C]. positive pressure exists in the furnace.
[D]. none of these

Answer: Option C

Explanation:

No answer description available for this question.

Subasankar said: (Aug 10, 2013)  
Positive pressure helps to increase the furnace efficiency by sudden thermal stress.

Gajendra Dumka said: (Oct 2, 2014)  
Negative pressure is better in furnace.

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