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Furnace Technology

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

Sankey diagram
None of these
Cox chart
Ostwald chart

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Furnace Technology
In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by

Can not be predicted
Convection
Radiation
Conduction

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Furnace Technology
Furnace aerodynamics is related to the __________ in the furnace.

Temperature control
Pressure adjustment
Movement of gases
Measurement of flue gas volume

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Furnace Technology
Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by

Oxygen enrichment of combustion air
Preheating the fuel gas
Preheating the combustion air
Increasing the draft in the furnace

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Furnace Technology
Use of pulverised coal in boilers provides

Smokeless burning
Better combustion
Higher calorific value
Less erosion on furnace wall

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Furnace Technology
In reverberatory furnace, charge is heated mainly by

None of these
Radiation of heat from the roof of the combustion chamber
Natural convection
Conduction

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