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Furnace Technology

Furnace Technology
Which is not a hearth furnace?

Reheating furnace
Cupola
Open hearth furnace
Glass tank furnace

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Furnace Technology
While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C.

4500
3000
2000
6000

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Furnace Technology
Calcination of limestone to produce lime is done in a __________ kiln.

Both B and C
Vertical shaft
Rotary
Tunnel

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

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

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Furnace Technology
Blast furnace stoves are meant for heating

Air
Blast furnace gas
None of these
Steam

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Furnace Technology
Artificial draught produced by a fan in the furnace can be controlled by the

Damper
Speed of the fan
All of these
Variation in the pitch of fan blades

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MORE MCQ ON Furnace Technology

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