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.Management Sciences
A. 20°
B. 40°
C. 60°
D. 80°
Related Mcqs:
- Which is not a basic refractory ?
- A. Chrome magnesite B. Magnesite C. Dolomite D. Silicon carbide...
- _____________ is not a single oxide-refractory?
- A. Zirconia B. Silicon carbide C. Magnesia D. None of these...
- High thermal conductivity of a refractory material is not important, when it is to be used in the______________________?
- A. Coke oven regenerators B. Muffle furnace C. Blast furnace D. Recuperators...
- Sillimanite is a _____________ refractory?
- A. Basic B. Neutral C. High alumina D. Insulating...
- Refractory bricks with lower permeability is produced by using __________________?
- A. Higher firing temperature B. Higher moulding pressure C. Finer grog size D. All A., B. and C....
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