Hollow refractory bricks are made by___________________?

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....

Panel test determines the _____________ of refractories?

A. Fusion point B. Spalling resistance C. Slag penetration resistance D. Refractoriness under load (RUL)...

Cold crushing strength of fireclay bricks is about ______________ kgf/cm2?

A. 50-100 B. 100-150 C. 200-400 D. 500-1000...

Dolomite bricks have good resistance to attack by_____________________?

A. Molten steel B. Iron oxide C. Lime slag D. None of these...