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Furnace Technology

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

Reheating furnace
Annealing furnace
Muffle furnace
Rotary kiln

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Furnace Technology
Furnace pressure is normally controlled by regulating the

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

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Furnace Technology
Protective gas used in the annealing furnace for steel coil comprises of

100% CO
95% N₂ + 5% H₂
5% H₂ + 9% N₂
100 %H₂

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Furnace Technology
In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time?

Recuperator
Waste heat boiler
None of these
Regenerator

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Furnace Technology
Which is not a hearth furnace?

Cupola
Reheating furnace
Open hearth furnace
Glass tank furnace

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Furnace Technology
Specific heating capacity of a furnace is expressed as

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

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