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Furnace Technology

Furnace Technology
Which of the following is a periodic furnace?

Tunnel kiln
Soaking pit
Reheating furnace
Rotary kiln

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Furnace Technology
Regenerators as compared to recuperators for the same duty

Involve higher initial cost
Store smaller quantity of waste heat
Are lighter & compact
All of these

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Furnace Technology
Which of the following is a heat treatment furnace?

Rotary kiln
Muffle furnace
Reheating furnace
Annealing furnace

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

Ostwald chart
Cox chart
None of these
Sankey diagram

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Furnace Technology
To reduce the stack loss, heat recovery from flue gas can be done by

Steam generation in waste heat boilers
Preheating of cold stock
Preheating of combustion air
All of these

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

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

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