A. Bakelite impregnated or fused periclase
B. Silica
C. Semi-silica
D. Fireclay
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Related Mcqs:
- Lower part of hot metal mixer are lined with _____________ bricks?
- A. Superduty fireclay B. High alumina C. Silica D. Carborundum...
- Outer combustion chamber of blast furnace stove is lined with _____________ bricks?
- A. Fireclay B. Silica C. Chrome magnesite D. Zirconia...
- Bauxite calcining rotary kilns are lined with ________________ bricks?
- A. Fireclay B. Carbon C. 85% alumina D. Corundum...
- Roof of a basic open hearth furnace is lined with ______________ bricks?
- A. Silica B. Fireclay C. Dolomite D. Magnesite...
- Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the_________________?
- A. Washing action of metal B. Corrosion by layer of slag C. Both A. & B. D. Neither A. nor B....
- Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?
- A. Silica B. Fireclay C. Magnesite D. Zirconia...
- Semi-silica bricks compared to silica bricks have_______________?
- A. Less fusion point B. Better spalling resistance C. Both A. and B. D. Neither A. not B....
- Vacuum steel degassing units are lined with__________________?
- A. Silica bricks B. Low duty firebricks C. High alumina bricks D. Graphite blocks...
- Roof of a basic electric furnace is made of _____________ bricks?
- A. Superduty fireclay B. Silica C. Chromite D. None of these...
- Maximum apparent porosity of magnesite bricks is about _____________ percent?
- A. 8 B. 24 C. 44 D. 58...
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