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Furnace Technology

Furnace Technology
Unit of furnace loading is

Ton stock/hr/m² hearth area
Both B and C
Ton stock/hr
Ton stock/m² hearth area

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Furnace Technology
In a muffle furnace, the muffle

Assists in temperature equalisation in the charge
All of these
Permits the use of controlled atmosphere for the protection of stock
Retards the heat transfer

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Furnace Technology
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent.

85
99
65
50

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

Neither A nor B
Both A and B
Recuperative
Regenerative

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Furnace Technology
In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the

None of these
Cox chart
Ostwald chart
Sankey diagram

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Furnace Technology
In order to maintain a reducing atmosphere in a furnace, it should have

No O₂ in flue gas
CO in flue gas
None of these
High excess air

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