A. Firebricks
B. Silica bricks
C. Silicon carbide bricks
D. Sillimanite
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Related Mcqs:
- 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....
- Roof of a basic open hearth furnace is lined with ______________ bricks?
- A. Silica B. Fireclay C. Dolomite D. Magnesite...
- Outer combustion chamber of blast furnace stove is lined with _____________ bricks?
- A. Fireclay B. Silica C. Chrome magnesite D. Zirconia...
- Roof of a basic electric furnace is made of _____________ bricks?
- A. Superduty fireclay B. Silica C. Chromite D. None of these...
- 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....
- Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?
- A. Silica B. Fireclay C. Magnesite D. Zirconia...
- Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns ?
- A. 1800 B. 2200 C. 2400 D. 2700...
- Which of the following bricks has the most close values of RUL and PCE ?
- A. Silica bricks B. Fireclay bricks C. High alumina bricks D. Tar dolomite bricks...
- 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...
- Which of the following impurities reduces the refractoriness of magnesite bricks ?
- A. Al2O3 B. CaO C. SiO2 D. All A., B. & C....
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