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Furnace Technology

Furnace Technology
Cement Kiln is a

Tunnel Kiln
Natural draft furnace
Rotary Kiln
Batch furnace

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Furnace Technology
Which of the following is a batch furnace?

None of these
Reheating furnace
Cupola
Glass tank furnace

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Furnace Technology
In which of the following furnaces, the gases are sucked through the stock bed from below?

Sintering machine
None of these
Soaking pit
Beehive oven

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Furnace Technology
Means for giving direction to the circulation of gases in furnaces are

Arrangement of heating stock in the furnaces
All of these
Fans
Location of outlet ports and heating & combustion devices

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Furnace Technology
Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C.

60
40
5
20

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Furnace Technology
Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of

Blast furnace gas with air
Furnace oil with oxygen
Blast furnace gas with oxygen
Furnace oil with air

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