Hot blast main (carrying air at 1000°C) in blast furnace are lined with ______________ bricks?

Related Mcqs:

Bauxite calcining rotary kilns are lined with ________________ bricks?

A. Fireclay B. Carbon C. 85% alumina D. Corundum...

Which is not a basic refractory ?

A. Chrome magnesite B. Magnesite C. Dolomite D. Silicon carbide...

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....

Periclase refractory contains mainly________________?

A. CaO B. MgO C. Al2O3 D. SiO2...

The largest consumer of refractories is the _______________ industry?

A. Cement B. Metallurgical C. Fertiliser D. Power...