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Furnace Technology

Furnace Technology
Main gas valve in a gaseous fuel burner is a __________ valve.

Globe
Butterfly
Gate
None of these

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Furnace Technology
Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.

< 2
< 5
< 8
< 10

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

50
250
100
150

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Furnace Technology
Scaling of furnace stock is reduced by __________ in flue gas.

All of these
H₂
High CO/CO₂
CO

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Furnace Technology
An example of shaft furnace is the

Glass melting tank
Soaking pit
Blast furnace
L.D. converter

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Furnace Technology
__________ furnace is not an electric furnace.

Pot
Induction
Arc
Resistance

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