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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 3
46.
Blast furnace stoves are meant for heating
air
blast furnace gas
steam
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Fuel economy in furnaces can be achieved by
using oxygen enriched combustion air.
preheating the combustion air.
reducing the heat loss through furnace openings & doors.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Thermal efficiency of an open hearth furnace may be about __________ percent.
5
20
50
80
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.
< 2
< 5
< 8
< 10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Which of the following is a rotary furnace?
Lime kiln
Soaking pit
Stoves
Annealing furnace.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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