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.Management Sciences
A. Coke ovens regenerator
B. Outer lining of L.D. converter
C. Hearth bottom of blast furnace
D. Coke oven walls
Related Mcqs:
- Refractory materials are never used in the construction of _________________?
- A. Segar cones B. Orton cones C. Pressure vessels D. Ovens & retorts...
- With increase in the density of silica refractories, its_______________?
- A. Resistance to slag attack increases B. Spalling resistance reduces C. Both A. and B. D. Neither A. nor B....
- Silica refractories are not used in _________________?
- A. Coke oven walls B. Beehive coke ovens C. Dome and upper portion of B.F. stoves D. Open hearth furnace roof...
- Ramming masses are used for____________________?
- A. Obtaining monolithic working faces B. Repairing construction of various furnace parts C. Both A. & B. D. Neither A. nor B....
- 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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