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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 3
1.
In salt bath furnace, heat is transferred to the charge mainly by
conduction
convection
radiation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In order to maintain an oxidising atmosphere in a furnace, it should have
more of excess air
less of excess air
more of CO in flue gas
more of CO2 in flue gas
Answer: Option
Explanation:
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3.
Combustion of fuel in a furnace with oxygen enriched air results in higher
flue gas volume
flame temperature
fuel consumption
stack loss
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Reducing atmosphere is maintained in a
calcination kiln
blast furnace
soaking pit
L.D. converter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Presence of SO2 in furnace gases attacks the ferrous metal by way of
accelerating the rate of scaling.
causing metal embrittlement.
attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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