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Chemical Engineering - Refractory Technology

Exercise : Refractory Technology - Section 4
6.
Semi-silica bricks compared to silica bricks have
less fusion point.
better spalling resistance.
both (a) and (b).
neither (a) not (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Mixing of ground refractory material and water is done in a __________ mill.
pug
ball
tube
rod
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Maximum apparent porosity of magnesite bricks is about __________ percent.
8
24
44
58
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Dilatometer is used for the determination of __________ of refractories.
modulus of rupture
permanent linear change
resistance to CO attack
RUL
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
With decrease in porosity, the __________ of the refractories decreases.
strength
thermal conductivity
spalling resistance
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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