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Chemical Engineering - Refractory Technology

Exercise : Refractory Technology - Section 5
11.
Sillimanite is a __________ refractory.
basic
neutral
high alumina
insulating
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
High refractorinness of refractory bricks means, that it has a
high spalling resistance.
low spalling resistance.
high resistance to fusion.
low porosity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Conversion of silica mineral to cristobalite is accompanied by reduction in its
volume
specific gravity
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Chrome magnesite is not used in the
inner lining of L.D. converter.
aluminium melting furnaces.
wear out lining of steel melting furnaces.
all (a), and (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following bricks has the most close values of RUL and PCE ?
Silica bricks
Fireclay bricks
High alumina bricks
Tar dolomite bricks
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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