Chemical Engineering - Furnace Technology - Discussion

Discussion Forum : Furnace Technology - Section 1 (Q.No. 2)

Furnace Technology

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

air is sucked in, so air leaks are more and hence the furnace efficiency is reduced.

the fan operates hot and hence blades are liable to corrosion and erosion.

positive pressure exists in the furnace.

none of these

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

5 comments Page 1 of 1.

Alelgn marie said: 5 years ago

If negative pressure exists in the furnace; cold air will come into the furnace& the furnace will cool down but the furnace must always hot.

KOLA BENARJI said: 6 years ago

If '+' ve pressure exists in the furnace than fire comes out from furnace I support to @Gajendra dumka.

AKYOUDDHVEER said: 6 years ago

Please explain this question anyone?

Gajendra dumka said: 1 decade ago

Negative pressure is better in furnace.

Subasankar said: 1 decade ago

Positive pressure helps to increase the furnace efficiency by sudden thermal stress.

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