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Chemical Engineering - Furnace Technology

Exercise : Furnace Technology - Section 1
21.
Fuel used in B.F. stove is
pulverised coal
furnace oil
blast furnace gas/mixed gas
coke oven gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Tunnel kilns are usually used for
roasting of pyrites.
drying/tempering of refractories.
reheating of slabs.
melting of glass.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent.
15
40
70
85
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by
increasing the draft in the furnace.
preheating the fuel gas.
oxygen enrichment of combustion air.
preheating the combustion air.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by
preheating the combustion air.
oxygen enrichment of combustion air.
preheating the fuel gas.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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