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Furnace Technology

Furnace Technology
Which furnace employs natural draft?

Rotary kilns
Coke oven
L.D. converter
Boiler

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Furnace Technology
Regenerators are installed in

Coke ovens
Neither A nor B
Both A & B
Open hearth furnace

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Furnace Technology
Example of an indirectly heated furnace is

Both A and B
Muffle furnace
Hood annealing furnace
Neither A nor B

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Furnace Technology
Circulation of gases in furnace is caused by the

Change in volume during a change of temperature
Difference in density between hot and cold gases
All of these
Furnace pressure in conjunction with draft in flues

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Furnace Technology
Regenerators are normally provided in the

All of these
By product coke ovens
Open hearth furnace
Glass melting furnace

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Furnace Technology
Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C.

50
100
150
250

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