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Chemical Engineering - Refractory Technology

Exercise : Refractory Technology - Section 1
36.
Walls, roofs & combustion chambers of annealing furnaces are made of __________ bricks.
high duty fireclay
silica
mullite
carborundum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Fireclay bricks are used in the
coke ovens regenerator.
outer lining of L.D. converter.
hearth bottom of blast furnace.
coke oven walls.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Water content in ground refractory material to be shaped into bricks by hand moulding is about __________ percent.
5
20
40
55
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Chromite refractories
are bonded with lime and clay.
(free from silica) have better thermal fatigue resistance than silica and magnesite refractories.
are resistant to basic slag.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Firing temperature is minimum (1250-1400 °C) for __________ bricks.
fireclay
direct bonded basic
silica
magnesite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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