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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 1
26.
Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of
graphite powder
thoria
zircon powder
beryllium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In reverberatory furnace, charge is heated mainly by
conduction.
natural convection.
radiation of heat from the roof of the combustion chamber.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
An example of a periodic furnace is the
blast furnace stoves
blast furnace
coke oven heating chamber
rotary kilns
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Ostwald charts are meant for
computing the excess/deficiency of combustion air.
calculation of flue gas temperature.
computation of flue gas analysis.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Maximum heat transfer in high temperature furnaces is by
conduction
convection
radiation
either (a), (b) or (c); depends on the type of furnace
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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