A. Fireclay
B. Silica
C. Chrome magnesite
D. Zirconia
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Related Mcqs:
- Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?
- A. Silica B. Fireclay C. Magnesite D. Zirconia...
- Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves ?
- A. High refractoriness B. High resistance to spalling C. High strength and density D. All A., B. and C....
- Roof of a basic open hearth furnace is lined with ______________ bricks?
- A. Silica B. Fireclay C. Dolomite D. Magnesite...
- Lower part of hot metal mixer are lined with _____________ bricks?
- A. Superduty fireclay B. High alumina C. Silica D. Carborundum...
- Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with _____________ bricks?
- A. Bakelite impregnated or fused periclase B. Silica C. Semi-silica D. Fireclay...
- Bauxite calcining rotary kilns are lined with ________________ bricks?
- A. Fireclay B. Carbon C. 85% alumina D. Corundum...
- 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....
- Roof of a basic electric furnace is made of _____________ bricks?
- A. Superduty fireclay B. Silica C. Chromite D. None of these...
- 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....
- Walls, roofs & combustion chambers of annealing furnaces are made of ______________ bricks?
- A. High duty fireclay B. Silica C. Mullite D. Carborundum...
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