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.Management Sciences
A. Spalling resistance
B. Fusion point
C. Resistance to slag penetration
D. Resistance to carbon monoxide attack
Related Mcqs:
- Periclase is___________________?
- A. Crystalline form of MgO B. MgCO3 C. ZrSO4 D. Amorphous magnesite...
- High alumina refractories are used in the ___________________?
- A. Dome of blast furnace stoves B. Electric arc furnace roof C. Glass melting furnaces D. All A., B. and C....
- Resistance to slag attack of a refractory _____________________?
- A. Depends on the nature of slag & refractory B. Decreases at higher temperature C. Decreases, if defective joints & cracks exist in the refractory D. All A., B. and C....
- Refractoriness under load (RUL) is the most important property for the refractory bricks_________________?
- A. At the hearth bottom of the furnace on which stock is placed B. Used for furnace insulation C. Used in the roof of the furnace D. None of these...
- Porosity of fireclay refractories is _______________ percent?
- A. 5-10 B. 10-25 C. 25-35 D. 35-50...
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