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Chemical Engineering - Refractory Technology

Exercise : Refractory Technology - Section 5
16.
Silica refractories are not used in
coke oven walls.
beehive coke ovens.
dome and upper portion of B.F. stoves.
open hearth furnace roof.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Refractory materials are never used in the construction of
segar cones
orton cones
pressure vessels
ovens & retorts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Segar cones are used for the determination of __________ of refractories.
softening temperature
spalling resistance
electrical conductivity
resistance to slag attack
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Fireclay bricks are used in the
furnaces allowed to cool frequently
flues
chimney linings
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Carbon refractories have very high
wetting characteristics
refractoriness
thermal conductivity
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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