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.Management Sciences
A. Acidic refractory
B. Neutral refractory
C. Basic refractory
D. Fired at a temperature of 600°C only
Related Mcqs:
- Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material ?
- A. Aluminium phosphate B. Water C. Lime D. Plaster of Paris...
- With increase in the alumina content in firebricks, its fusion point (refractoriness) ?
- A. Decreases linearly B. Remains unchanged C. Increases D. Decreases...
- Faster rate of drying of moulded refractories results in high _____________ of refractories?
- A. Green strength B. Voids C. Shrinkage D. Both B. and C....
- Ganister is a source of the ________________?
- A. Silica B. Periclase C. Lime D. None of these...
- Highest melting (m.p = 3070°C) oxide refractory is__________________?
- A. Alumina B. Thoria C. Zirconia D. Magnesia...
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