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Furnace Technology

Furnace Technology
Which of the following is a batch furnace?

Reheating furnace
Cupola
None of these
Glass tank furnace

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Furnace Technology
__________ atmosphere is maintained inside an iron blast furnace.

Inert
Reducing
Decarburising
Oxidising

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Furnace Technology
Which of the following variables affects the furnace capacity?

Thermal conductivity of stock
All of these
Thickness of heating stock
Temperature of flue gas

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Furnace Technology
Which furnace employs an I.D. fan for the removal of flue gases from the furnace?

High pressure boiler
Blast furnace stoves
Beehive coke oven
Coke oven

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Furnace Technology
Cement Kiln is a

Batch furnace
Tunnel Kiln
Rotary Kiln
Natural draft furnace

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Furnace Technology
Presence of SO₂ in furnace gases attacks the ferrous metal by way of

Causing metal embrittlement
Accelerating the rate of scaling
All of these
Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature

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