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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 1
41.
Heat transfer rate to the stock/charge in the furnace does not depend upon the
emissivity of the refactory walls.
size of the furance.
use of waste heat recovery equipments.
thickness of the stock.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Coke ovens in steel plant are heated by
electricity
blast furnace gas/mixed gas
coke oven gas
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Power required in case of forced draught as compared to induced draught (for the same draught produced) is
same
less
more
either more or less; depends on the flue gas density
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Means for giving direction to the circulation of gases in furnaces are
fans.
arrangement of heating stock in the furnaces.
location of outlet ports and heating & combustion devices.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The amount of combustible escaping uncon-sumed from the furnace, depends upon the
air supplied and furnace temperature.
burner design (thoroughness of mixing versus stratification).
air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction).
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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