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Furnace Technology

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

Annealing furnace
Reheating furnace
Muffle furnace
Rotary kiln

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Furnace Technology
Furnace pressure is normally controlled by regulating the

Damper
Fuel gas pressure
Speed of I.D. fan
Air pressure

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Furnace Technology
In salt bath furnace, heat is transferred to the charge mainly by

Convection
Conduction
Radiation
None of these

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

150
50
250
100

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Furnace Technology
Specific heating capacity of a furnace is expressed as

None of these
Weight heated/hr
Weight heated/hr/furnace volume
Weight heated/furnace volume

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Furnace Technology
Which of the following is not a directly fired furnace?

Calcination kiln
Sintering furnace
By-product coke oven
Open hearth furnace

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