Search
.Management Sciences
A. Bottom of soaking pits
B. Between acid & basic linings in basic open hearth furnaces to prevent their chemical action
with each other
C. Both A. & B.
D. Neither A. and B.
Related Mcqs:
- Zirconia refractory_________________?
- A. Does not react with basic slags B. Is produced from baddeleyite C. Cannot be used as an insulator D. Has poor electrical conductivity at high temperature...
- Which of the following impurities reduces the refractoriness of magnesite bricks ?
- A. Al2O3 B. CaO C. SiO2 D. All A., B. & C....
- Magnesite refractories are generally not used in the___________________?
- A. Electric furnace walls B. Steel melting furnace C. Open hearth furnace D. Burning zone of cement kilns...
- Which furnace consumes maximum refractory annually in an integrated steel plant ?
- A. Soaking pit B. Blast furnace C. L.D. converter D. Coke ovens...
- Crushing strength of a refractory____________________?
- A. Increases with rise in service temperature B. Decreases with rise in service temperature C. Is unaffected with change in service temperature D. Decreases with increase in porosity...
Recent Comments