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.Management Sciences
A. Electric furnace walls
B. Steel melting furnace
C. Open hearth furnace
D. Burning zone of cement kilns
Related Mcqs:
- Lower part of hot metal mixer are lined with _____________ bricks?
- A. Superduty fireclay B. High alumina C. Silica D. Carborundum...
- Machine moulding of dry mixture of refractories requires a pressure of the order of _____________ kg/cm2?
- A. 10 B. 100 C. 500 D. 1000...
- SiO2 percentage in firebrick is about____________________?
- A. 35-40 B. 55-60 C. 80-85 D. > 94...
- High refractoriness of refractory bricks means, that it has a________________?
- A. High spalling resistance B. Low spalling resistance C. High resistance to fusion D. Low porosity...
- Dolomite bricks have good resistance to attack by_____________________?
- A. Molten steel B. Iron oxide C. Lime slag D. None of these...
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