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Furnace Technology

Furnace Technology
Which one shows the diagramatic heat balance in a furnace?

Cox chart
Ostwald chart
Sankey diagram
None of these

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Furnace Technology
Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by

Preheating the fuel gas
Oxygen enrichment of combustion air
Preheating the combustion air
All of these

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Furnace Technology
The rate of scaling of furnace stock depends upon the

Temperature
Nature of atmosphere
Time
All of these

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Furnace Technology
Operation of blast furnace stove is based on the principles of a __________ furnace.

Both A and B
Recuperative
Neither A nor B
Regenerative

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Furnace Technology
Oxygen enrichment of combustion air does not result in increase of the

Heat transfer rate in the furnace
Stack loss
Flame temperature
Oxygen in the flue gas

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Furnace Technology
Regenerators compared to the recuperators for the same duty

Are of smaller size
Occupy more space
Are less costly
All of these

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